The three human RAS genes encode highly related 188 to 189 amino acid proteins, designated H-Ras, N-Ras and K-Ras4A and K-Ras4B (the two K-Ras proteins arise from alternative gene splicing). Ras proteins function as binary molecular switches that control intracellular signaling networks. Ras-regulated signal pathways control such processes as actin cytoskeletal integrity, proliferation, differentiation, cell adhesion, apoptosis, and cell migration. Ras and ras-related proteins are often deregulated in cancers, leading to increased invasion and metastasis, and decreased apoptosis.
DIRAS1 displays low GTPase activity and exists predominantly in the GTP-bound form. It is highly expressed in heart and brain.
Function:
Displays low GTPase activity and exist predominantly in the GTP-bound form.
Subcellular Location:
Cell membrane; Lipid-anchor; Cytoplasmic side (Potential).
Tissue Specificity:
Highly expressed in heart and brain.
Similarity:
Belongs to the small GTPase superfamily. Di-Ras family.
SWISS:
O95057
Gene ID:
148252
Database links:
Entrez Gene: 148252 Human
Omim: 607862 Human
SwissProt: O95057 Human
Unigene: 172753 Human
|
|