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Conserved domains on  [gi|1616153300|ref|WP_135947254|]
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N-acetylmuramidase family protein [uncultured Muribaculum sp.]

Protein Classification

N-acetylmuramidase family protein( domain architecture ID 10570859)

N-acetylmuramidase family protein similar to modular Gp110 endolysin found in the Salmonella phage

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
Muramidase pfam11860
N-acetylmuramidase; Endolysins are bacteriophage encoded proteins synthesized at the end of ...
71-241 1.21e-69

N-acetylmuramidase; Endolysins are bacteriophage encoded proteins synthesized at the end of the lytic infection cycle. They degrade the peptidoglycan (PG) of the host bacterium to allow viral progeny release. This domain family is found in bacteria and viruses. It is also found associated with pfam01471. One of the family members is the modular Gp110 endolysin found in the Salmonella phage. This domain represents the catalytic region found in the C-terminal of Gp110. It has been demonstrated to have N-acetylmuramidase (lysozyme) activity cleaving the beta-(1,4) glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine residues in the sugar backbone of the PG. Furthermore, sequence alignments containing this domain show that the Gp110 E101 residue is conserved (suggesting that is is the catalytic residue), and followed by serine (a common feature in lysozymes). The structure of endolysins varies depending on their origin. In general, most of the endolysins from phages infecting Gram-positive bacteria have a modular structure consisting of one or two N-terminal enzymatic active domains (EADs) and a C-terminal cell wall binding domain (CBD) separated by a short linker. In silico analysis indicate that this endolysin has a modular structure harboring this EAD family at the C terminus and a PG_binding_1 CBD at the N terminus.


:

Pssm-ID: 432137  Cd Length: 173  Bit Score: 211.73  E-value: 1.21e-69
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1616153300  71 DIASIKAVIEIEAGQThqGFYKPNQPIINFDLPMFKKWAARHGIKLGKYSRSNAVVFARPNAKKYGSYQAAQYERLKSAL 150
Cdd:pfam11860   1 EPAALKAVVEVESGGS--GFLPDGRPKILFERHIFYRQLKKRGLDAASLAAQHPDISNPTWTRGGYSGGAAEYERLERAR 78
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1616153300 151 SIDSIAAIEGTFWGMFQIGGFNWKKCGAESPVDFARRMSTSEKEQLELFVNFLKSNNLAKYLKAKNWAGFALRYNGPSYA 230
Cdd:pfam11860  79 ALDREAALESASWGLFQIMGFNWKELGYASVEDFVEAMSRSEAEQLDAFVRFIKNPGLLKALRAKDWAAFARGYNGPGYA 158
                         170
                  ....*....|.
gi 1616153300 231 KRGYHTRLAKA 241
Cdd:pfam11860 159 KNQYDTKLAAA 169
 
Name Accession Description Interval E-value
Muramidase pfam11860
N-acetylmuramidase; Endolysins are bacteriophage encoded proteins synthesized at the end of ...
71-241 1.21e-69

N-acetylmuramidase; Endolysins are bacteriophage encoded proteins synthesized at the end of the lytic infection cycle. They degrade the peptidoglycan (PG) of the host bacterium to allow viral progeny release. This domain family is found in bacteria and viruses. It is also found associated with pfam01471. One of the family members is the modular Gp110 endolysin found in the Salmonella phage. This domain represents the catalytic region found in the C-terminal of Gp110. It has been demonstrated to have N-acetylmuramidase (lysozyme) activity cleaving the beta-(1,4) glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine residues in the sugar backbone of the PG. Furthermore, sequence alignments containing this domain show that the Gp110 E101 residue is conserved (suggesting that is is the catalytic residue), and followed by serine (a common feature in lysozymes). The structure of endolysins varies depending on their origin. In general, most of the endolysins from phages infecting Gram-positive bacteria have a modular structure consisting of one or two N-terminal enzymatic active domains (EADs) and a C-terminal cell wall binding domain (CBD) separated by a short linker. In silico analysis indicate that this endolysin has a modular structure harboring this EAD family at the C terminus and a PG_binding_1 CBD at the N terminus.


Pssm-ID: 432137  Cd Length: 173  Bit Score: 211.73  E-value: 1.21e-69
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1616153300  71 DIASIKAVIEIEAGQThqGFYKPNQPIINFDLPMFKKWAARHGIKLGKYSRSNAVVFARPNAKKYGSYQAAQYERLKSAL 150
Cdd:pfam11860   1 EPAALKAVVEVESGGS--GFLPDGRPKILFERHIFYRQLKKRGLDAASLAAQHPDISNPTWTRGGYSGGAAEYERLERAR 78
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1616153300 151 SIDSIAAIEGTFWGMFQIGGFNWKKCGAESPVDFARRMSTSEKEQLELFVNFLKSNNLAKYLKAKNWAGFALRYNGPSYA 230
Cdd:pfam11860  79 ALDREAALESASWGLFQIMGFNWKELGYASVEDFVEAMSRSEAEQLDAFVRFIKNPGLLKALRAKDWAAFARGYNGPGYA 158
                         170
                  ....*....|.
gi 1616153300 231 KRGYHTRLAKA 241
Cdd:pfam11860 159 KNQYDTKLAAA 169
 
Name Accession Description Interval E-value
Muramidase pfam11860
N-acetylmuramidase; Endolysins are bacteriophage encoded proteins synthesized at the end of ...
71-241 1.21e-69

N-acetylmuramidase; Endolysins are bacteriophage encoded proteins synthesized at the end of the lytic infection cycle. They degrade the peptidoglycan (PG) of the host bacterium to allow viral progeny release. This domain family is found in bacteria and viruses. It is also found associated with pfam01471. One of the family members is the modular Gp110 endolysin found in the Salmonella phage. This domain represents the catalytic region found in the C-terminal of Gp110. It has been demonstrated to have N-acetylmuramidase (lysozyme) activity cleaving the beta-(1,4) glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine residues in the sugar backbone of the PG. Furthermore, sequence alignments containing this domain show that the Gp110 E101 residue is conserved (suggesting that is is the catalytic residue), and followed by serine (a common feature in lysozymes). The structure of endolysins varies depending on their origin. In general, most of the endolysins from phages infecting Gram-positive bacteria have a modular structure consisting of one or two N-terminal enzymatic active domains (EADs) and a C-terminal cell wall binding domain (CBD) separated by a short linker. In silico analysis indicate that this endolysin has a modular structure harboring this EAD family at the C terminus and a PG_binding_1 CBD at the N terminus.


Pssm-ID: 432137  Cd Length: 173  Bit Score: 211.73  E-value: 1.21e-69
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1616153300  71 DIASIKAVIEIEAGQThqGFYKPNQPIINFDLPMFKKWAARHGIKLGKYSRSNAVVFARPNAKKYGSYQAAQYERLKSAL 150
Cdd:pfam11860   1 EPAALKAVVEVESGGS--GFLPDGRPKILFERHIFYRQLKKRGLDAASLAAQHPDISNPTWTRGGYSGGAAEYERLERAR 78
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1616153300 151 SIDSIAAIEGTFWGMFQIGGFNWKKCGAESPVDFARRMSTSEKEQLELFVNFLKSNNLAKYLKAKNWAGFALRYNGPSYA 230
Cdd:pfam11860  79 ALDREAALESASWGLFQIMGFNWKELGYASVEDFVEAMSRSEAEQLDAFVRFIKNPGLLKALRAKDWAAFARGYNGPGYA 158
                         170
                  ....*....|.
gi 1616153300 231 KRGYHTRLAKA 241
Cdd:pfam11860 159 KNQYDTKLAAA 169
 
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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