AAH13572.1
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
21,425 Da
NCBI Official Full Name
V-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog
NCBI Official Synonym Full Names
KRAS proto-oncogene, GTPase
NCBI Official Synonym Symbols
NS; NS3; CFC2; RALD; KRAS1; KRAS2; RASK2; KI-RAS; C-K-RAS; K-RAS2A; K-RAS2B; K-RAS4A; K-RAS4B; c-Ki-ras2 [Similar Products]
NCBI Protein Information
GTPase KRas
UniProt Protein Name
GTPase KRas
UniProt Synonym Protein Names
K-Ras 2; Ki-Ras; c-K-ras; c-Ki-ras
UniProt Synonym Gene Names
NCBI Summary for K-Ras
This gene, a Kirsten ras oncogene homolog from the mammalian ras gene family, encodes a protein that is a member of the small GTPase superfamily. A single amino acid substitution is responsible for an activating mutation. The transforming protein that results is implicated in various malignancies, including lung adenocarcinoma, mucinous adenoma, ductal carcinoma of the pancreas and colorectal carcinoma. Alternative splicing leads to variants encoding two isoforms that differ in the C-terminal region. [provided by RefSeq, Jul 2008]
UniProt Comments for K-Ras
KRas: Ras proteins bind GDP/GTP and possess intrinsic GTPase activity. Interacts with PHLPP. Interacts (active GTP-bound form preferentially) with RGS14. Alternate between an inactive form bound to GDP and an active form bound to GTP. Activated by a guanine nucleotide-exchange factor (GEF) and inactivated by a GTPase- activating protein (GAP). Belongs to the small GTPase superfamily. Ras family. 2 isoforms of the human protein are produced by alternative splicing.
Protein type: G protein; G protein, monomeric; G protein, monomeric, Ras; Motility/polarity/chemotaxis; Oncoprotein
Chromosomal Location of Human Ortholog: 12p12.1
Cellular Component: cytoplasm; extrinsic to internal side of plasma membrane; focal adhesion; membrane; plasma membrane
Molecular Function: protein binding; protein complex binding
Biological Process: axon guidance; epidermal growth factor receptor signaling pathway; leukocyte migration; MAPKKK cascade; positive regulation of cell proliferation; positive regulation of protein amino acid phosphorylation; Ras protein signal transduction; regulation of protein stability; stimulatory C-type lectin receptor signaling pathway
Disease: Bladder Cancer; Breast Cancer; Cardiofaciocutaneous Syndrome 2; Gastric Cancer, Hereditary Diffuse; Leukemia, Acute Myeloid; Lung Cancer; Noonan Syndrome 3; Pancreatic Cancer; Schimmelpenning-feuerstein-mims Syndrome
Research Articles on K-Ras
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Products associated with K-Ras recombinant protein
Pathways associated with K-Ras recombinant protein
Diseases associated with K-Ras recombinant protein
Organs/Tissues associated with K-Ras recombinant protein
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