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Conserved domains on  [gi|672057760|ref|XP_008763319|]
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midnolin isoform X5 [Rattus norvegicus]

Protein Classification

ubiquitin family protein( domain architecture ID 1000087)

ubiquitin family protein belongs to an diverse class of protein modifier and gene expression regulatory proteins that participate in a number of cellular processes

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
Ubl1_cv_Nsp3_N-like super family cl28922
first ubiquitin-like (Ubl) domain located at the N-terminus of coronavirus SARS-CoV ...
2-24 3.07e-06

first ubiquitin-like (Ubl) domain located at the N-terminus of coronavirus SARS-CoV non-structural protein 3 (Nsp3) and related proteins; This ubiquitin-like (Ubl) domain (Ubl1) is found at the N-terminus of coronavirus Nsp3, a large multi-functional multi-domain protein which is an essential component of the replication/transcription complex (RTC). The functions of Ubl1 in CoVs are related to single-stranded RNA (ssRNA) binding and to interacting with the nucleocapsid (N) protein. SARS-CoV Ubl1 has been shown to bind ssRNA having AUA patterns, and since the 5'-UTR of the SARS-CoV genome has a number of AUA repeats, it may bind there. In mouse hepatitis virus (MHV), this Ubl1 domain binds the cognate N protein. Adjacent to Ubl1 is a Glu-rich acidic region (also referred to as hypervariable region, HVR); Ubl1 together with HVR has been called Nsp3a. Currently, the function of HVR in CoVs is unknown. This model corresponds to one of two Ubl domains in Nsp3; the other is located N-terminal to the papain-like protease (PLpro) and is not represented by this model.


The actual alignment was detected with superfamily member cd01804:

Pssm-ID: 475130  Cd Length: 70  Bit Score: 44.56  E-value: 3.07e-06
                         10        20
                 ....*....|....*....|...
gi 672057760   2 RRLSSGKLQEFGVGDGSKLTLVP 24
Cdd:cd01804   48 KQLKDGTLRENGIGDGSKLTLLP 70
 
Name Accession Description Interval E-value
Ubl_midnolin cd01804
ubiquitin-like (Ubl) domain found in midnolin and similar proteins; Midnolin, also termed ...
2-24 3.07e-06

ubiquitin-like (Ubl) domain found in midnolin and similar proteins; Midnolin, also termed midbrain nucleolar protein, is a nucleolar protein that may be involved in regulation of genes related to neurogenesis in the nucleolus. It is strongly expressed at the mesencephalon (midbrain) of the embryo in day 12.5 (E12.5) mice and its expression is developmentally regulated. Midnolin plays a role in cellular signaling of adult tissues and regulates glucokinase enzyme activity in pancreatic beta cells. It can also control development via regulation of mRNA transport in cells. Midnolin contains an N-terminal conserved ubiquitin-like (Ubl) domain with a beta-grasp Ubl fold, a common structure involved in protein-protein interactions.


Pssm-ID: 340502  Cd Length: 70  Bit Score: 44.56  E-value: 3.07e-06
                         10        20
                 ....*....|....*....|...
gi 672057760   2 RRLSSGKLQEFGVGDGSKLTLVP 24
Cdd:cd01804   48 KQLKDGTLRENGIGDGSKLTLLP 70
 
Name Accession Description Interval E-value
Ubl_midnolin cd01804
ubiquitin-like (Ubl) domain found in midnolin and similar proteins; Midnolin, also termed ...
2-24 3.07e-06

ubiquitin-like (Ubl) domain found in midnolin and similar proteins; Midnolin, also termed midbrain nucleolar protein, is a nucleolar protein that may be involved in regulation of genes related to neurogenesis in the nucleolus. It is strongly expressed at the mesencephalon (midbrain) of the embryo in day 12.5 (E12.5) mice and its expression is developmentally regulated. Midnolin plays a role in cellular signaling of adult tissues and regulates glucokinase enzyme activity in pancreatic beta cells. It can also control development via regulation of mRNA transport in cells. Midnolin contains an N-terminal conserved ubiquitin-like (Ubl) domain with a beta-grasp Ubl fold, a common structure involved in protein-protein interactions.


Pssm-ID: 340502  Cd Length: 70  Bit Score: 44.56  E-value: 3.07e-06
                         10        20
                 ....*....|....*....|...
gi 672057760   2 RRLSSGKLQEFGVGDGSKLTLVP 24
Cdd:cd01804   48 KQLKDGTLRENGIGDGSKLTLLP 70
 
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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