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Conserved domains on  [gi|17864128|ref|NP_524597|]
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Saposin-related, isoform A [Drosophila melanogaster]

Protein Classification

saposin domain-containing protein; MgtC/SapB family protein( domain architecture ID 12032257)

saposin domain-containing protein such as saposins, which are accessory proteins that aid in the degradation of sphingolipids by hydrolytic enzymes| uncharacterized MgtC/SapB family protein containing a DUF4010 domain; with similarity in its N-terminus to Brucella MgtC, a virulence factor required for growth in low Mg(2+) medium and for intramacrophage survival, and to Bacillus subtilis SapB

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
666-739 8.41e-17

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


:

Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 75.99  E-value: 8.41e-17
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....
gi 17864128    666 CLICEELVKTLEKRMGKHPTRDSIKHILEESCDRMRKPMNTKCHKVIDKYGDKIADLLLKEMDPKLICTELGMC 739
Cdd:smart00741   3 CELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
535-610 1.23e-16

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


:

Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 75.22  E-value: 1.23e-16
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    535 PTCPLCLFAVEQAQMKIRDNKSKDNIKKVLNGLCSHLPNEIKEECVDFVNTYSNELIDMLITDFKPQEICVQLKLC 610
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
436-510 1.25e-16

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


:

Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 75.22  E-value: 1.25e-16
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 17864128    436 LCTLCEYMLHFIQETLATPSTDDEIKHTVENICAKLPSGVAGQCRNFVEMYGDAVIALLVQGLNPRDVCPLMQMC 510
Cdd:smart00741   2 LCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
70-146 5.97e-16

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


:

Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 73.29  E-value: 5.97e-16
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 17864128     70 SICTICKDMVTQARDQLKSNQTEEELKEVFEGSCKLIPiKPIQKECIKVADDFLPELVEALASQMNPDQVCSVAGLC 146
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLP-KSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
775-849 2.84e-15

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


:

Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 71.37  E-value: 2.84e-15
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    775 PTCVLCEFIMTKLDADLKNKTEQDDIKRAIEAVCNRLPATVRKQCDTFVDGYASAVLKLL-SDVPPKQVCQKLQLC 849
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLeQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
285-359 1.05e-13

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


:

Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 67.13  E-value: 1.05e-13
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    285 IPCELCEQLVKHLRDVLVANTTETEFKQVMEGFCKQ-SKGFKDECLSIVDQYYHVIYETLVSKLDANGACCMIGIC 359
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKlPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapA pfam02199
Saposin A-type domain;
28-60 4.90e-13

Saposin A-type domain;


:

Pssm-ID: 460487  Cd Length: 33  Bit Score: 63.76  E-value: 4.90e-13
                          10        20        30
                  ....*....|....*....|....*....|...
gi 17864128    28 SSKCTWGPSYWCGNFSNSKECRATRHCIQTVWE 60
Cdd:pfam02199   1 PDECTWGPSYWCQDLETAKECGAVEHCQQHVWN 33
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
859-938 1.33e-06

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


:

Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 46.72  E-value: 1.33e-06
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 17864128    859 LECGVCHGVTQALLPFLrekKDNVSEVTALQMTSVGCENLPAKYYKICSEMISIYGSSIKNLAKRpYIDQSHICAEIGKC 938
Cdd:smart00741   1 LLCELCEFVVKQLENLL---KDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQ-GLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
186-259 5.46e-05

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


:

Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 42.48  E-value: 5.46e-05
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    186 LSCGNCNLLSRLMHSKFAA-TDRDDMVETMLHMCGSL-SSFSDACANIVLTYFNDIYDHVSKHLTTDAVCHVSGVC 259
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDnKTEEEIKKALEKVCKKLpKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
 
Name Accession Description Interval E-value
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
666-739 8.41e-17

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 75.99  E-value: 8.41e-17
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....
gi 17864128    666 CLICEELVKTLEKRMGKHPTRDSIKHILEESCDRMRKPMNTKCHKVIDKYGDKIADLLLKEMDPKLICTELGMC 739
Cdd:smart00741   3 CELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
535-610 1.23e-16

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 75.22  E-value: 1.23e-16
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    535 PTCPLCLFAVEQAQMKIRDNKSKDNIKKVLNGLCSHLPNEIKEECVDFVNTYSNELIDMLITDFKPQEICVQLKLC 610
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
436-510 1.25e-16

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 75.22  E-value: 1.25e-16
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 17864128    436 LCTLCEYMLHFIQETLATPSTDDEIKHTVENICAKLPSGVAGQCRNFVEMYGDAVIALLVQGLNPRDVCPLMQMC 510
Cdd:smart00741   2 LCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
70-146 5.97e-16

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 73.29  E-value: 5.97e-16
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 17864128     70 SICTICKDMVTQARDQLKSNQTEEELKEVFEGSCKLIPiKPIQKECIKVADDFLPELVEALASQMNPDQVCSVAGLC 146
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLP-KSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
775-849 2.84e-15

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 71.37  E-value: 2.84e-15
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    775 PTCVLCEFIMTKLDADLKNKTEQDDIKRAIEAVCNRLPATVRKQCDTFVDGYASAVLKLL-SDVPPKQVCQKLQLC 849
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLeQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
285-359 1.05e-13

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 67.13  E-value: 1.05e-13
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    285 IPCELCEQLVKHLRDVLVANTTETEFKQVMEGFCKQ-SKGFKDECLSIVDQYYHVIYETLVSKLDANGACCMIGIC 359
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKlPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapA pfam02199
Saposin A-type domain;
28-60 4.90e-13

Saposin A-type domain;


Pssm-ID: 460487  Cd Length: 33  Bit Score: 63.76  E-value: 4.90e-13
                          10        20        30
                  ....*....|....*....|....*....|...
gi 17864128    28 SSKCTWGPSYWCGNFSNSKECRATRHCIQTVWE 60
Cdd:pfam02199   1 PDECTWGPSYWCQDLETAKECGAVEHCQQHVWN 33
SAPA smart00162
Saposin/surfactant protein-B A-type DOMAIN; Present as four and three degenerate copies, ...
27-59 2.10e-12

Saposin/surfactant protein-B A-type DOMAIN; Present as four and three degenerate copies, respectively, in prosaposin and surfactant protein B. Single copies in acid sphingomyelinase, NK-lysin amoebapores and granulysin. Putative phospholipid membrane binding domains.


Pssm-ID: 128465  Cd Length: 34  Bit Score: 62.15  E-value: 2.10e-12
                           10        20        30
                   ....*....|....*....|....*....|...
gi 17864128     27 GSSKCTWGPSYWCGNFSNSKECRATRHCIQTVW 59
Cdd:smart00162   1 GPKRCTWGPSVWCQNLETASQCNAVKHCLQRVW 33
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
706-739 4.37e-07

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 46.80  E-value: 4.37e-07
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   706 TKCHKVIDKYGDKIADLLLKEMDPKLICTELGMC 739
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
577-610 5.75e-07

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 46.41  E-value: 5.75e-07
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   577 EECVDFVNTYSNELIDMLITDFKPQEICVQLKLC 610
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
859-938 1.33e-06

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 46.72  E-value: 1.33e-06
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 17864128    859 LECGVCHGVTQALLPFLrekKDNVSEVTALQMTSVGCENLPAKYYKICSEMISIYGSSIKNLAKRpYIDQSHICAEIGKC 938
Cdd:smart00741   1 LLCELCEFVVKQLENLL---KDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQ-GLDPKDVCQKLGLC 76
SapB_1 pfam05184
Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for ...
72-107 5.13e-06

Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease, and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 461575  Cd Length: 38  Bit Score: 44.13  E-value: 5.13e-06
                          10        20        30
                  ....*....|....*....|....*....|....*.
gi 17864128    72 CTICKDMVTQARDQLKSNQTEEELKEVFEGSCKLIP 107
Cdd:pfam05184   3 CDLCEFVVKELEKLLKDNKTEEEIIKALEKVCSKLP 38
SapB_1 pfam05184
Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for ...
436-472 6.12e-06

Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease, and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 461575  Cd Length: 38  Bit Score: 43.75  E-value: 6.12e-06
                          10        20        30
                  ....*....|....*....|....*....|....*..
gi 17864128   436 LCTLCEYMLHFIQETLATPSTDDEIKHTVENICAKLP 472
Cdd:pfam05184   2 LCDLCEFVVKELEKLLKDNKTEEEIIKALEKVCSKLP 38
SapB_1 pfam05184
Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for ...
775-812 1.10e-05

Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease, and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 461575  Cd Length: 38  Bit Score: 42.98  E-value: 1.10e-05
                          10        20        30
                  ....*....|....*....|....*....|....*...
gi 17864128   775 PTCVLCEFIMTKLDADLKNKTEQDDIKRAIEAVCNRLP 812
Cdd:pfam05184   1 PLCDLCEFVVKELEKLLKDNKTEEEIIKALEKVCSKLP 38
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
186-259 5.46e-05

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 42.48  E-value: 5.46e-05
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    186 LSCGNCNLLSRLMHSKFAA-TDRDDMVETMLHMCGSL-SSFSDACANIVLTYFNDIYDHVSKHLTTDAVCHVSGVC 259
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDnKTEEEIKKALEKVCKKLpKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
326-359 8.47e-05

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 40.64  E-value: 8.47e-05
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   326 DECLSIVDQYYHVIYETLVSKLDANGACCMIGIC 359
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
226-259 4.50e-03

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 35.63  E-value: 4.50e-03
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   226 DACANIVLTYFNDIYDHVSKHLTTDAVCHVSGVC 259
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
 
Name Accession Description Interval E-value
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
666-739 8.41e-17

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 75.99  E-value: 8.41e-17
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....
gi 17864128    666 CLICEELVKTLEKRMGKHPTRDSIKHILEESCDRMRKPMNTKCHKVIDKYGDKIADLLLKEMDPKLICTELGMC 739
Cdd:smart00741   3 CELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
535-610 1.23e-16

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 75.22  E-value: 1.23e-16
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    535 PTCPLCLFAVEQAQMKIRDNKSKDNIKKVLNGLCSHLPNEIKEECVDFVNTYSNELIDMLITDFKPQEICVQLKLC 610
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
436-510 1.25e-16

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 75.22  E-value: 1.25e-16
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 17864128    436 LCTLCEYMLHFIQETLATPSTDDEIKHTVENICAKLPSGVAGQCRNFVEMYGDAVIALLVQGLNPRDVCPLMQMC 510
Cdd:smart00741   2 LCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
70-146 5.97e-16

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 73.29  E-value: 5.97e-16
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 17864128     70 SICTICKDMVTQARDQLKSNQTEEELKEVFEGSCKLIPiKPIQKECIKVADDFLPELVEALASQMNPDQVCSVAGLC 146
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLP-KSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
775-849 2.84e-15

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 71.37  E-value: 2.84e-15
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    775 PTCVLCEFIMTKLDADLKNKTEQDDIKRAIEAVCNRLPATVRKQCDTFVDGYASAVLKLL-SDVPPKQVCQKLQLC 849
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLeQGLDPKDVCQKLGLC 76
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
285-359 1.05e-13

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 67.13  E-value: 1.05e-13
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    285 IPCELCEQLVKHLRDVLVANTTETEFKQVMEGFCKQ-SKGFKDECLSIVDQYYHVIYETLVSKLDANGACCMIGIC 359
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDNKTEEEIKKALEKVCKKlPKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapA pfam02199
Saposin A-type domain;
28-60 4.90e-13

Saposin A-type domain;


Pssm-ID: 460487  Cd Length: 33  Bit Score: 63.76  E-value: 4.90e-13
                          10        20        30
                  ....*....|....*....|....*....|...
gi 17864128    28 SSKCTWGPSYWCGNFSNSKECRATRHCIQTVWE 60
Cdd:pfam02199   1 PDECTWGPSYWCQDLETAKECGAVEHCQQHVWN 33
SAPA smart00162
Saposin/surfactant protein-B A-type DOMAIN; Present as four and three degenerate copies, ...
27-59 2.10e-12

Saposin/surfactant protein-B A-type DOMAIN; Present as four and three degenerate copies, respectively, in prosaposin and surfactant protein B. Single copies in acid sphingomyelinase, NK-lysin amoebapores and granulysin. Putative phospholipid membrane binding domains.


Pssm-ID: 128465  Cd Length: 34  Bit Score: 62.15  E-value: 2.10e-12
                           10        20        30
                   ....*....|....*....|....*....|...
gi 17864128     27 GSSKCTWGPSYWCGNFSNSKECRATRHCIQTVW 59
Cdd:smart00162   1 GPKRCTWGPSVWCQNLETASQCNAVKHCLQRVW 33
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
706-739 4.37e-07

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 46.80  E-value: 4.37e-07
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   706 TKCHKVIDKYGDKIADLLLKEMDPKLICTELGMC 739
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
577-610 5.75e-07

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 46.41  E-value: 5.75e-07
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   577 EECVDFVNTYSNELIDMLITDFKPQEICVQLKLC 610
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
859-938 1.33e-06

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 46.72  E-value: 1.33e-06
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 17864128    859 LECGVCHGVTQALLPFLrekKDNVSEVTALQMTSVGCENLPAKYYKICSEMISIYGSSIKNLAKRpYIDQSHICAEIGKC 938
Cdd:smart00741   1 LLCELCEFVVKQLENLL---KDNKTEEEIKKALEKVCKKLPKSLSDQCKEFVDQYGPEIIDLLEQ-GLDPKDVCQKLGLC 76
SapB_1 pfam05184
Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for ...
535-572 5.13e-06

Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease, and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 461575  Cd Length: 38  Bit Score: 44.13  E-value: 5.13e-06
                          10        20        30
                  ....*....|....*....|....*....|....*...
gi 17864128   535 PTCPLCLFAVEQAQMKIRDNKSKDNIKKVLNGLCSHLP 572
Cdd:pfam05184   1 PLCDLCEFVVKELEKLLKDNKTEEEIIKALEKVCSKLP 38
SapB_1 pfam05184
Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for ...
72-107 5.13e-06

Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease, and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 461575  Cd Length: 38  Bit Score: 44.13  E-value: 5.13e-06
                          10        20        30
                  ....*....|....*....|....*....|....*.
gi 17864128    72 CTICKDMVTQARDQLKSNQTEEELKEVFEGSCKLIP 107
Cdd:pfam05184   3 CDLCEFVVKELEKLLKDNKTEEEIIKALEKVCSKLP 38
SapB_1 pfam05184
Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for ...
436-472 6.12e-06

Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease, and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 461575  Cd Length: 38  Bit Score: 43.75  E-value: 6.12e-06
                          10        20        30
                  ....*....|....*....|....*....|....*..
gi 17864128   436 LCTLCEYMLHFIQETLATPSTDDEIKHTVENICAKLP 472
Cdd:pfam05184   2 LCDLCEFVVKELEKLLKDNKTEEEIIKALEKVCSKLP 38
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
477-510 7.50e-06

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 43.33  E-value: 7.50e-06
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   477 GQCRNFVEMYGDAVIALLVQGLNPRDVCPLMQMC 510
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
SapB_1 pfam05184
Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for ...
775-812 1.10e-05

Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease, and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 461575  Cd Length: 38  Bit Score: 42.98  E-value: 1.10e-05
                          10        20        30
                  ....*....|....*....|....*....|....*...
gi 17864128   775 PTCVLCEFIMTKLDADLKNKTEQDDIKRAIEAVCNRLP 812
Cdd:pfam05184   1 PLCDLCEFVVKELEKLLKDNKTEEEIIKALEKVCSKLP 38
SapB smart00741
Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary ...
186-259 5.46e-05

Saposin (B) Domains; Present in multiple copies in prosaposin and in pulmonary surfactant-associated protein B. In plant aspartic proteinases, a saposin domain is circularly permuted. This causes the prediction algorithm to predict two such domains, where only one is truly present.


Pssm-ID: 214797 [Multi-domain]  Cd Length: 76  Bit Score: 42.48  E-value: 5.46e-05
                           10        20        30        40        50        60        70
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 17864128    186 LSCGNCNLLSRLMHSKFAA-TDRDDMVETMLHMCGSL-SSFSDACANIVLTYFNDIYDHVSKHLTTDAVCHVSGVC 259
Cdd:smart00741   1 LLCELCEFVVKQLENLLKDnKTEEEIKKALEKVCKKLpKSLSDQCKEFVDQYGPEIIDLLEQGLDPKDVCQKLGLC 76
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
113-146 5.50e-05

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 41.02  E-value: 5.50e-05
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   113 KECIKVADDFLPELVEALASQMNPDQVCSVAGLC 146
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
326-359 8.47e-05

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 40.64  E-value: 8.47e-05
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   326 DECLSIVDQYYHVIYETLVSKLDANGACCMIGIC 359
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
817-849 3.07e-04

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 38.71  E-value: 3.07e-04
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   817 KQCDTFVDGYASAVLKLL-SDVPPKQVCQKLQLC 849
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLeSELDPKDVCTALGLC 34
SapB_1 pfam05184
Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for ...
664-700 3.47e-04

Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease, and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 461575  Cd Length: 38  Bit Score: 38.74  E-value: 3.47e-04
                          10        20        30
                  ....*....|....*....|....*....|....*..
gi 17864128   664 PNCLICEELVKTLEKRMGKHPTRDSIKHILEESCDRM 700
Cdd:pfam05184   1 PLCDLCEFVVKELEKLLKDNKTEEEIIKALEKVCSKL 37
SapB_1 pfam05184
Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for ...
285-320 1.05e-03

Saposin-like type B, region 1; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease, and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 461575  Cd Length: 38  Bit Score: 37.58  E-value: 1.05e-03
                          10        20        30
                  ....*....|....*....|....*....|....*.
gi 17864128   285 IPCELCEQLVKHLRDVLVANTTETEFKQVMEGFCKQ 320
Cdd:pfam05184   1 PLCDLCEFVVKELEKLLKDNKTEEEIIKALEKVCSK 36
SapB_2 pfam03489
Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for ...
226-259 4.50e-03

Saposin-like type B, region 2; Saposin B is a small non-enzymatic glycoprotein required for the breakdown of cerebroside sulphates (sulphatides) in lysosomes. Saposin B contains three intramolecular disulphide bridges, exists as a dimer and is remarkably heat, protease and pH stable. The crystal structure of human saposin B reveals an unusual shell-like dimer consisting of a monolayer of alpha-helices enclosing a large hydrophobic cavity. It is one of the most studied members of the saposin protein family and it is involved in the hydrolysis of glycolipids and glycerolipids. SapB is unique in the saposin family in that it facilitates degradation by interacting with the substrate, not the enzymes.


Pssm-ID: 460945  Cd Length: 34  Bit Score: 35.63  E-value: 4.50e-03
                          10        20        30
                  ....*....|....*....|....*....|....
gi 17864128   226 DACANIVLTYFNDIYDHVSKHLTTDAVCHVSGVC 259
Cdd:pfam03489   1 DECKSLVDQYGPLIIDLLESELDPKDVCTALGLC 34
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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