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Tbio
UBA1
Ubiquitin-like modifier-activating enzyme 1

Protein Summary
Description
Catalyzes the first step in ubiquitin conjugation to mark cellular proteins for degradation through the ubiquitin-proteasome system (PubMed:1606621, PubMed:1447181). Activates ubiquitin by first adenylating its C-terminal glycine residue with ATP, and thereafter linking this residue to the side chain of a cysteine residue in E1, yielding a ubiquitin-E1 thioester and free AMP (PubMed:1447181). Essential for the formation of radiation-induced foci, timely DNA repair and for response to replication stress. Promotes the recruitment of TP53BP1 and BRCA1 at DNA damage sites (PubMed:22456334). The protein encoded by this gene catalyzes the first step in ubiquitin conjugation to mark cellular proteins for degradation. This gene complements an X-linked mouse temperature-sensitive defect in DNA synthesis, and thus may function in DNA repair. It is part of a gene cluster on chromosome Xp11.23. Alternatively spliced transcript variants that encode the same protein have been described. [provided by ...more
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000335972
  • ENSP00000338413
  • ENSG00000130985
  • ENST00000377351
  • ENSP00000366568

Symbol
  • A1S9T
  • UBE1
  • A1S9
  • A1ST
  • GXP1
  • UBE1
  • A1S9T
  • AMCX1
  • POC20
  • SMAX2
  • UBA1A
  • UBE1X
  • CFAP124
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
hub protein
1
protein domain
1
protein complex
0.98
interacting protein
0.97
molecular function
0.96


Protein Classes
IDG Development Level Summary
Tdark

These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 323.32   (req: < 5)
Gene RIFs: 41   (req: <= 3)
Antibodies: 360   (req: <= 50)
Tbio

These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 323.32   (req: >= 5)
Gene RIFs: 41   (req: > 3)
Antibodies: 360   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 5
Tchem

Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions

Active Ligand: 0
Tclin

Target has at least one approved drug - AND - satisfies the preceding conditions

Active Drug: 0