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Protein

Ubiquitin-conjugating enzyme E2 W

Gene

Ube2w

Organism
Rattus norvegicus (Rat)
Status
Reviewed-Annotation score: Annotation score: 4 out of 5-Experimental evidence at transcript leveli

Functioni

Accepts ubiquitin from the E1 complex and catalyzes its covalent attachment to other proteins. Specifically monoubiquitinates the N-terminus of various substrates, including ATXN3, MAPT/TAU, POLR2H/RPB8 and STUB1/CHIP, by recognizing backbone atoms of disordered N-termini. Involved in degradation of misfolded chaperone substrates by mediating monoubiquitination of STUB1/CHIP, leading to recruitment of ATXN3 to monoubiquitinated STUB1/CHIP, and restriction of the length of ubiquitin chain attached to STUB1/CHIP substrates by ATXN3. After UV irradiation, but not after mitomycin-C (MMC) treatment, acts as a specific E2 ubiquitin-conjugating enzyme for the Fanconi anemia complex by associating with E3 ubiquitin-protein ligase FANCL and catalyzing monoubiquitination of FANCD2, a key step in the DNA damage pathway. In vitro catalyzes 'Lys-11'-linked polyubiquitination. UBE2W-catalyzed ubiquitination occurs also in the presence of inactive RING/U-box type E3s, i.e. lacking the active site cysteine residues to form thioester bonds with ubiquitin, or even in the absence of E3, albeit at a slower rate.By similarity

Catalytic activityi

S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine + [E2 ubiquitin-conjugating enzyme]-L-cysteine = [E1 ubiquitin-activating enzyme]-L-cysteine + S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine.PROSITE-ProRule annotationBy similarity
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine + [acceptor protein]-N-terminal-amino acid = [E1 ubiquitin-activating enzyme]-L-cysteine + N-terminal-ubiquitinyl-[acceptor protein].By similarity

Pathwayi: protein ubiquitination

This protein is involved in the pathway protein ubiquitination, which is part of Protein modification.PROSITE-ProRule annotation
View all proteins of this organism that are known to be involved in the pathway protein ubiquitination and in Protein modification.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei91Glycyl thioester intermediatePROSITE-ProRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionTransferase
Biological processDNA damage, DNA repair, Ubl conjugation pathway
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

UniPathwayiUPA00143.

Names & Taxonomyi

Protein namesi
Recommended name:
Ubiquitin-conjugating enzyme E2 W (EC:2.3.2.25)
Alternative name(s):
E2 ubiquitin-conjugating enzyme W
N-terminal E2 ubiquitin-conjugating enzyme (EC:2.3.2.23)
N-terminus-conjugating E2
Ubiquitin carrier protein W
Ubiquitin-protein ligase W
Gene namesi
Name:Ube2w
OrganismiRattus norvegicus (Rat)
Taxonomic identifieri10116 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
Proteomesi
  • UP000002494 Componenti: Unplaced

Organism-specific databases

RGDi1595332. LOC682704.

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00004146311 – 151Ubiquitin-conjugating enzyme E2 WAdd BLAST151

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Cross-linki1Peptide (Met-Gly) (interchain with G-Cter in ubiquitin)By similarity

Post-translational modificationi

Ubiquitinated in vitro in the presence of FANCL. Autoubiquitinated at Met-1.By similarity

Keywords - PTMi

Ubl conjugation

Proteomic databases

PaxDbiB5DEI4.
PeptideAtlasiB5DEI4.

Interactioni

Subunit structurei

Homodimer. Interacts with FANCL. Interacts with STUB1/CHIP.By similarity

GO - Molecular functioni

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000064963.

Structurei

3D structure databases

ProteinModelPortaliB5DEI4.
SMRiB5DEI4.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the ubiquitin-conjugating enzyme family.PROSITE-ProRule annotation

Phylogenomic databases

eggNOGiKOG0427. Eukaryota.
COG5078. LUCA.
HOVERGENiHBG063308.
InParanoidiB5DEI4.
KOiK10688.
PhylomeDBiB5DEI4.

Family and domain databases

CDDicd00195. UBCc. 1 hit.
Gene3Di3.10.110.10. 1 hit.
InterProiView protein in InterPro
IPR000608. UBQ-conjugat_E2.
IPR016135. UBQ-conjugating_enzyme/RWD.
PfamiView protein in Pfam
PF00179. UQ_con. 1 hit.
SUPFAMiSSF54495. SSF54495. 1 hit.
PROSITEiView protein in PROSITE
PS50127. UBIQUITIN_CONJUGAT_2. 1 hit.

Sequencei

Sequence statusi: Complete.

B5DEI4-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MASMQKRLQK ELLALQNDPP PGMTLNEKSV QNSITQWIVD MEGAPGTLYE
60 70 80 90 100
GEKFQLLFKF SSRYPFDSPQ VMFTGENIPV HPHVYSNGHI CLSILTEDWS
110 120 130 140 150
PALSVQSVCL SIISMLSSCK EKRRPPDNSF YVRTCNKNPK KTKWWYHDDT

C
Length:151
Mass (Da):17,331
Last modified:October 14, 2008 - v1
Checksum:i276B585BBC4CEB71
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BC168682 mRNA. Translation: AAI68682.1.
RefSeqiXP_006237984.2. XM_006237922.2.
XP_008756764.1. XM_008758542.2.
XP_008771705.1. XM_008773483.2.
UniGeneiRn.11795.
Rn.165811.
Rn.225229.

Genome annotation databases

GeneIDi100909445.
103694506.
KEGGirno:100909445.
rno:103694506.

Similar proteinsi

Entry informationi

Entry nameiUBE2W_RAT
AccessioniPrimary (citable) accession number: B5DEI4
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 14, 2011
Last sequence update: October 14, 2008
Last modified: November 22, 2017
This is version 59 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families