Entrez Summary: This gene encodes a protein similar to the RAS effector proteins. Loss or altered expression of this gene has been associated with the pathogenesis of a variety of cancers, which suggests the tumor suppressor function of this gene. The inactivation of this gene was found to be correlated with the hypermethylation of its CpG-island promoter region. The encoded protein was found to interact with DNA repair protein XPA. The protein was also shown to inhibit the accumulation of cyclin D1, and thus induce cell cycle arrest. Several alternatively spliced transcript variants of this gene encoding distinct isoforms have been reported. [provided by RefSeq, May 2011].
UniProt Summary: Potential tumor suppressor. Required for death receptor- dependent apoptosis. Mediates activation of STK3/MST2 and STK4/MST1 during Fas-induced apoptosis by preventing their dephosphorylation. When associated with MOAP1, promotes BAX conformational change and translocation to mitochondrial membranes in response to TNF and TNFSF10 stimulation. Isoform A interacts with CDC20, an activator of the anaphase-promoting complex, APC, resulting in the inhibition of APC activity and mitotic progression. Inhibits proliferation by negatively regulating cell cycle progression at the level of G1/S-phase transition by regulating accumulation of cyclin D1 protein. Isoform C has been shown not to perform these roles, no function has been identified for this isoform. Isoform A disrupts interactions among MDM2, DAXX and USP7, thus contributing to the efficient activation of TP53 by promoting MDM2 self-ubiquitination in cell-cycle checkpoint control in response to DNA damage. {ECO:0000269|PubMed:10888881, ECO:0000269|PubMed:11333291, ECO:0000269|PubMed:12024041, ECO:0000269|PubMed:14743218, ECO:0000269|PubMed:15109305, ECO:0000269|PubMed:15949439, ECO:0000269|PubMed:16510573, ECO:0000269|PubMed:18566590, ECO:0000269|PubMed:21199877}.
Pfam DomainsGO Terms
Pfam Domains
RA
C1 1
GO Terms
spindle pole
cell cycle arrest
microtubule cytoskeleton
microtubule organizing center
regulation of microtubule cytoskeleton organization
regulation of microtubule-based process
Ras protein signal transduction
microtubule
small GTPase mediated signal transduction
regulation of cytoskeleton organization
negative regulation of cell cycle
zinc ion binding
cell cycle process
regulation of cell cycle
regulation of organelle organization
cell cycle
intracellular signal transduction
CRISPR Data
Compound HitMost Correlated Genes in ChemogenomicsTissues where Essential in the Avana Dataset (DepMap 20Q1)
Compound Hit
No hits were found.
Most Correlated Genes in Chemogenomics
No correlation found to any other genes in chemogenomics.
Tissues where Essential in the Avana Dataset (DepMap 20Q1)
Global Fraction of Cell Lines Where Essential: 0/739