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Tbio
PIAS2
E3 SUMO-protein ligase PIAS2

Protein Summary
Description
Functions as an E3-type small ubiquitin-like modifier (SUMO) ligase, stabilizing the interaction between UBE2I and the substrate, and as a SUMO-tethering factor. Plays a crucial role as a transcriptional coregulator in various cellular pathways, including the STAT pathway, the p53 pathway and the steroid hormone signaling pathway. The effects of this transcriptional coregulation, transactivation or silencing may vary depending upon the biological context and the PIAS2 isoform studied. However, it seems to be mostly involved in gene silencing. Binds to sumoylated ELK1 and enhances its transcriptional activity by preventing recruitment of HDAC2 by ELK1, thus reversing SUMO-mediated repression of ELK1 transactivation activity. Isoform PIAS2-beta, but not isoform PIAS2-alpha, promotes MDM2 sumoylation. Isoform PIAS2-alpha promotes PARK7 sumoylation. Isoform PIAS2-beta promotes NCOA2 sumoylation more efficiently than isoform PIAS2-alpha. Isoform PIAS2-alpha sumoylates PML at'Lys-65' and 'Ly ...more
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000324794
  • ENSP00000317163
  • ENSG00000078043
  • ENST00000585916
  • ENSP00000465676

Symbol
  • PIASX
  • DIP
  • MIZ1
  • SIZ2
  • ARIP3
  • PIASX
  • ZMIZ4
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
virus perturbation
0.95
molecular function
0.94
transcription factor perturbation
0.94
disease perturbation
0.93
hub protein
0.85


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: 76.37   (req: < 5)
Gene RIFs: 10   (req: <= 3)
Antibodies: 483   (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: 76.37   (req: >= 5)
Gene RIFs: 10   (req: > 3)
Antibodies: 483   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 13
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
Protein Data Bank (2)
1 – 2 of 2
PDB Structure Id
Ligand
Method
Resolution (Å)
M.W. (kDa)
Pub Year
Title
PDB Structure Id
M.W.
Resolution
Pub Year
Pathways (24)
Activation of HOX genes during differentiation (R-HSA-5619507)

Click on a row in the table to change the structure displayed.

Items per page:
1 – 5 of 13
Data Source
Name
Explore in Pharos
Explore in Source
Reactome
Activation of HOX genes during differentiation
Reactome
Activation of anterior HOX genes in hindbrain development during early embryogenesis
Reactome
Developmental Biology
Reactome
Metabolism of proteins
Reactome
Post-translational protein modification
Name
Explore in Pharos
Explore in Source
Activation of HOX genes during differentiation
Activation of anterior HOX genes in hindbrain development during early embryogenesis
Developmental Biology
Metabolism of proteins
Post-translational protein modification
Gene Ontology Terms (17)
Items per page:
10
1 – 8 of 8
GO Term
Evidence
Assigned by
Inferred from Experiment (EXP)
Reactome
Inferred from Direct Assay (IDA)
ParkinsonsUK-UCL
Inferred from Physical Interaction (IPI)
ParkinsonsUK-UCL
Traceable Author Statement (TAS)
ProtInc
Non-traceable Author Statement (NAS)
UniProtKB
Non-traceable Author Statement (NAS)
UniProtKB
Inferred from Electronic Annotation (IEA)
UniProtKB-KW
Inferred from Electronic Annotation (IEA)
Ensembl
Protein-Protein Interactions (129)
1 – 10 of 129
SUMO1
Tbio
Novelty: 0.00137629
Score: 0.988
Data Source: STRINGDB
UBE2I
Tbio
Novelty: 0.00267883
Score: 0.981
Data Source: STRINGDB
STAT4
Tbio
Family: TF
Novelty: 0.00251747
Score: 0.956
Data Source: STRINGDB
MDM2
Tchem
Family: Enzyme
Novelty: 0.00028385
Score: 0.919
Data Source: STRINGDB
SUMO2
Tbio
Novelty: 0.00366833
Score: 0.886
Data Source: STRINGDB
NSMCE2
Tbio
Family: Enzyme
Novelty: 0.02320995
Score: 0.875
Data Source: STRINGDB
STAT3
Tchem
Family: TF
Novelty: 0.00011808
Score: 0.843
Data Source: STRINGDB
STAT5A
Tchem
Family: TF
Novelty: 0.00074026
Score: 0.83
Data Source: STRINGDB
STAT5B
Tchem
Family: TF
Novelty: 0.00074178
Score: 0.825
Data Source: STRINGDB
UBA2
Tbio
Novelty: 0.01582807
Score: 0.823
Data Source: STRINGDB
Publication Statistics
PubMed Score  76.37

PubMed score by year
PubTator Score  41.21

PubTator score by year
Amino Acid Sequence
Residue Counts
Protein Sequence
ProtVista Viewer
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