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Conserved domains on  [gi|15225819|ref|NP_180260|]
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Ubiquitin-associated/translation elongation factor EF1B protein [Arabidopsis thaliana]

Protein Classification

UBA domain-containing protein( domain architecture ID 229521)

ubiquitin-associated (UBA) domain-containing protein

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
UBA_like_SF super family cl21463
UBA domain-like superfamily; The ubiquitin-associated (UBA) domain-like superfamily contains ...
158-194 1.68e-04

UBA domain-like superfamily; The ubiquitin-associated (UBA) domain-like superfamily contains alpha-helical structural homology ubiquitin-binding domains, including UBA domains and coupling of ubiquitin conjugation to endoplasmic reticulum degradation (CUE) domains which share a common three-helical bundle architecture. UBA domains are commonly occurring sequence motifs found in proteins involved in ubiquitin-mediated proteolysis. They contribute to ubiquitin (Ub) binding or ubiquitin-like (UbL) domain binding. However, some kinds of UBA domains can only bind the UbL domain, but not the Ub domain. UBA domains are normally comprised of compact three-helix bundles which contain a conserved GF/Y-loop. They can bind polyubiquitin with high affinity. They also bind monoubiquitin and other proteins. Most UBA domain-containing proteins have one UBA domain, but some harbor two or three UBA domains. CUE domain containing proteins are characterized by an FP and a di-leucine-like sequence and bind to monoubiquitin with varying affinities. Some higher eukaryotic CUE domain proteins do not bind monoubiquitin efficiently, since they carry LP, rather than FP among CUE domains. This superfamily also includes many UBA-like domains found in AMP-activated protein kinase (AMPK) related kinases, the NXF family of mRNA nuclear export factors, elongation factor Ts (EF-Ts), nascent polypeptide-associated complex subunit alpha (NACA) and similar proteins. Although many UBA-like domains may have a conserved TG but not GF/Y-loop, they still show a high level of structural and sequence similarity with three-helical ubiquitin binding domains.


The actual alignment was detected with superfamily member cd14297:

Pssm-ID: 473871 [Multi-domain]  Cd Length: 39  Bit Score: 39.39  E-value: 1.68e-04
                        10        20        30
                ....*....|....*....|....*....|....*..
gi 15225819 158 EARTQQIVAMGISQEHATTALMMNDGKVEESVHWLFD 194
Cdd:cd14297   1 EDLVKQLVDMGFTEAQARKALRKTNNNVERAVDWLFE 37
 
Name Accession Description Interval E-value
UBA2_spUBP14_like cd14297
UBA2 domain found in Schizosaccharomyces pombe ubiquitin carboxyl-terminal hydrolase 14 ...
158-194 1.68e-04

UBA2 domain found in Schizosaccharomyces pombe ubiquitin carboxyl-terminal hydrolase 14 (spUBP14) and similar proteins; spUBP14, also called deubiquitinating enzyme 14, UBA domain-containing protein 2, ubiquitin thioesterase 14, or ubiquitin-specific-processing protease 14, functions as a deubiquitinating enzyme that is involved in protein degradation in fission yeast. Members in this family contain two tandem ubiquitin-association (UBA) domains. This model corresponds to the UBA2 domain.


Pssm-ID: 270483 [Multi-domain]  Cd Length: 39  Bit Score: 39.39  E-value: 1.68e-04
                        10        20        30
                ....*....|....*....|....*....|....*..
gi 15225819 158 EARTQQIVAMGISQEHATTALMMNDGKVEESVHWLFD 194
Cdd:cd14297   1 EDLVKQLVDMGFTEAQARKALRKTNNNVERAVDWLFE 37
 
Name Accession Description Interval E-value
UBA2_spUBP14_like cd14297
UBA2 domain found in Schizosaccharomyces pombe ubiquitin carboxyl-terminal hydrolase 14 ...
158-194 1.68e-04

UBA2 domain found in Schizosaccharomyces pombe ubiquitin carboxyl-terminal hydrolase 14 (spUBP14) and similar proteins; spUBP14, also called deubiquitinating enzyme 14, UBA domain-containing protein 2, ubiquitin thioesterase 14, or ubiquitin-specific-processing protease 14, functions as a deubiquitinating enzyme that is involved in protein degradation in fission yeast. Members in this family contain two tandem ubiquitin-association (UBA) domains. This model corresponds to the UBA2 domain.


Pssm-ID: 270483 [Multi-domain]  Cd Length: 39  Bit Score: 39.39  E-value: 1.68e-04
                        10        20        30
                ....*....|....*....|....*....|....*..
gi 15225819 158 EARTQQIVAMGISQEHATTALMMNDGKVEESVHWLFD 194
Cdd:cd14297   1 EDLVKQLVDMGFTEAQARKALRKTNNNVERAVDWLFE 37
UBA_RUP1p cd14307
UBA domain found in yeast UBA domain-containing protein RUP1p and similar proteins; RUP1p is a ...
158-193 4.31e-04

UBA domain found in yeast UBA domain-containing protein RUP1p and similar proteins; RUP1p is a ubiquitin-associated (UBA) domain-containing protein encoded by a nonessential yeast gene RUP1. It can mediate the association of Rsp5 and Ubp2. The N-terminal UBA domain is responsible for antagonizing Rsp5 function, as well as bridging the Rsp5-Ubp2 interaction. No other characterized functional domains or motifs are found in RUP1p.


Pssm-ID: 270492  Cd Length: 38  Bit Score: 38.05  E-value: 4.31e-04
                        10        20        30
                ....*....|....*....|....*....|....*.
gi 15225819 158 EARTQQIVAMGISQEHATTALMMNDGKVEESVHWLF 193
Cdd:cd14307   1 EEAVASLLEMGIPREVAIEALRETNGDVEAAANYIF 36
UBA2_UBP5 cd14386
UBA2 domain found in ubiquitin carboxyl-terminal hydrolase 5 (UBP5); UBP5, also called ...
163-198 4.84e-04

UBA2 domain found in ubiquitin carboxyl-terminal hydrolase 5 (UBP5); UBP5, also called deubiquitinating enzyme 5, Isopeptidase T (IsoT), ubiquitin thioesterase 5, or ubiquitin-specific-processing protease 5, is a deubiquitinating enzyme largely responsible for the disassembly of the majority of unanchored polyubiquitin in the cell. Zinc is required for its catalytic activity. UBP5 contains four ubiquitin (Ub)-binding sites including an N-terminal zinc finger (ZnF) domain, a catalytic ubiquitin-specific processing protease (UBP) domain (catalytic C-box and H-box), and two ubiquitin-associated (UBA) domains. ZnF domain binds the proximal ubiquitin. UBP domain forms the active site. UBA domains are involved in binding linear or K48-linked polyubiquitin. This model corresponds to the UBA2 domain.


Pssm-ID: 270569 [Multi-domain]  Cd Length: 43  Bit Score: 38.08  E-value: 4.84e-04
                        10        20        30
                ....*....|....*....|....*....|....*.
gi 15225819 163 QIVAMGISQEHATTALMMNDGKVEESVHWLFDRLEE 198
Cdd:cd14386   8 MLVSMGFTRDQAIKALKATDNNVERAADWIFSHPDE 43
UBA_atUPL1_2_like cd14327
UBA domain found in Arabidopsis thaliana E3 ubiquitin-protein ligase UPL1 (atUPL1), UPL2 ...
159-193 5.90e-03

UBA domain found in Arabidopsis thaliana E3 ubiquitin-protein ligase UPL1 (atUPL1), UPL2 (atUPL2) and similar proteins; The family includes two highly similar 405-kDa HECT E3 ubiquitin-protein ligases (UPLs), UPL1 and UPL2, from Arabidopsis thaliana. The HECT E3 UPL family plays a prominent role in the ubiquitination of plant proteins. The biological functions of UPL1 and UPL2 remain unclear. Both of them contain a ubiquitin-associated (UBA) domain and a C-terminal HECT domain. UBA domain may be involved in ubiquitin metabolism. HECT domain is necessary and sufficient for their E3 catalytic activity, but requires ATP, E1 and an E2 of the Arabidopsis UBC8 family to ubiquitinate proteins.


Pssm-ID: 270512 [Multi-domain]  Cd Length: 38  Bit Score: 34.97  E-value: 5.90e-03
                        10        20        30
                ....*....|....*....|....*....|....*.
gi 15225819 159 ARTQQIVAMGISQEHATTALM-MNDGKVEESVHWLF 193
Cdd:cd14327   1 EAVAQLVEMGFSRERAEEALRaVGTNSVELAMEWLF 36
 
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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