SGSM2

Entrez Summary: The protein encoded by this gene is a GTPase activator with activity towards RAB32 and RAB33B, which are regulators of membrane trafficking. The encoded protein inactivates RAB32 and can bind RAB9A-GTP, a protein required for RAB32 activation. [provided by RefSeq, Oct 2016].
UniProt Summary: Possesses GTPase activator activity towards RAB32, RAB33B and RAB38 (PubMed:26620560, PubMed:21808068). Regulates the trafficking of melanogenic enzymes TYR, TYRP1 and DCT/TYRP2 to melanosomes in melanocytes by inactivating RAB32 and RAB38. Inhibits RAB32 and RAB38 activation both directly by promoting their GTPase activity and indirectly by disrupting the RAB9A-HPS4 interaction which is required for RAB32/38 activation (PubMed:26620560). {ECO:0000269|PubMed:21808068, ECO:0000269|PubMed:26620560}.

Pfam Domains GO Terms

Compound Hit Most Correlated Genes in Chemogenomics Tissues where Essential in the Avana Dataset (DepMap 20Q1)

Global Fraction of Cell Lines Where Essential: 0/739

Tissue	Fraction Of Cell Lines Where Essential
1290807.0	0/1
909776.0	0/1
bile duct	0/28
blood	0/28
bone	0/26
breast	0/33
central nervous system	0/56
cervix	0/4
colorectal	0/17
esophagus	0/13
fibroblast	0/1
gastric	0/16
kidney	0/21
liver	0/20
lung	0/75
lymphocyte	0/16
ovary	0/26
pancreas	0/24
peripheral nervous system	0/16
plasma cell	0/15
prostate	0/1
skin	0/24
soft tissue	0/9
thyroid	0/2
upper aerodigestive	0/22
urinary tract	0/29
uterus	0/5

Expression Distribution

Screen	Score
TRAIL 50ng/ml R00 exp36	-1.73
VHL-ligand-1 20μM R07 exp421	1.7

TBC
RUN

late endosome to Golgi transport
retrograde transport, endosome to Golgi
activation of GTPase activity
melanosome
cytosolic transport
Rab GTPase binding
endosomal transport
GTPase activator activity
Golgi vesicle transport
positive regulation of GTPase activity
regulation of GTPase activity
positive regulation of hydrolase activity
intracellular protein transport
regulation of hydrolase activity
positive regulation of catalytic activity
protein transport
intracellular transport
peptide transport
amide transport
cellular protein localization
cellular macromolecule localization
establishment of protein localization
positive regulation of molecular function
establishment of localization in cell
nitrogen compound transport
vesicle-mediated transport