KRAS4B recombinant protein

Recombinant Human KRAS4B (N-6His)

Cat. Num. AAA2569122

• Gene Names: KRAS; NS; NS3; CFC2; KRAS1; KRAS2; RASK2; KI-RAS; C-K-RAS; K-RAS2A; K-RAS2B; K-RAS4A; K-RAS4B
• Purity: >95% as determined by reducing SDS-PAGE
• Synonyms: KRAS4B; Recombinant Human KRAS4B (N-6His); Ki-Ras; c-K-ras; KRAS2; RASK2; CFC2; KRAS4B recombinant protein

• Host: E Coli
• Purity/Purification: >95% as determined by reducing SDS-PAGE
• Form/Format: Lyophilized from a 0.2um filtered solution of PBS, pH7.4.
• Sequence: Met1-Lys169

• Species: Human
• Tag: N-6His
• Endotoxin: <1.0EU per ug as determined by the LAL method.
• Protein Construction: Recombinant Human GTPase Kras4B is produced by our E Coli expression system and the target gene encoding Met1-Lys169 is expressed with a 6His tag at the N-terminus.
• Preparation and Storage: Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80 degree C. Reconstituted protein solution can be stored at 4-8 degree C for 2-7 days. Aliquots of reconstituted samples are stable at < -20 degree C for 3 months.; This product is provided as lyophilized powder which is shipped with ice packs.

SDS-Page

Related Product Information for KRAS4B recombinant protein

K-Ras belongs to the small GTPase superfamily, Ras family. As other members of the Ras family, K-Ras is a GTPase and is an early player in many signal transduction pathways. It is usually tethered to cell membranes because of the presence of an isoprenyl group on its C-terminus. K-Ras functions as a molecular on/off switch. Ras proteins bind GDP/GTP and possess intrinsic GTPase activity. Plays an important role in the regulation of cell proliferation. Plays a role in promoting oncogenic events by inducing transcriptional silencing of tumor suppressor genes (TSGs) in colorectal cancer (CRC) cells in a ZNF304-dependent manner. Besides essential function in normal tissue signaling, the mutation of a K-Ras gene is an essential step in the development of many cancers. Several germline K-Ras mutations have been found to be associated with Noonan syndrome[4] and cardio-facio-cutaneous syndrome. Somatic K-Ras mutations are found at high rates in Leukemias, colon cancer, pancreatic cancer and lung cancer.

NCBI and Uniprot Product Information

• NCBI GI #: 131875
• NCBI GeneID: 3845
• UniProt Accession #: P01116; P01118; Q96D10; A8K8Z5; B0LPF9
• Molecular Weight: 189
• NCBI Official Full Name: GTPase KRas
• NCBI Official Synonym Full Names: Kirsten rat sarcoma viral oncogene homolog
• NCBI Official Symbol: KRAS
• NCBI Official Synonym Symbols: NS; NS3; CFC2; KRAS1; KRAS2; RASK2; KI-RAS; C-K-RAS; K-RAS2A; K-RAS2B; K-RAS4A; K-RAS4B
• NCBI Protein Information: GTPase KRas; K-Ras 2; c-Ki-ras; oncogene KRAS2; K-ras p21 protein; c-Kirsten-ras protein; PR310 c-K-ras oncogene; transforming protein p21; cellular c-Ki-ras2 proto-oncogene; v-Ki-ras2 Kirsten rat sarcoma 2 viral oncogene homolog
• UniProt Protein Name: GTPase KRas
• UniProt Gene Name: KRAS
• UniProt Synonym Gene Names: KRAS2; RASK2
• UniProt Entry Name: RASK_HUMAN

NCBI Description

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 Description

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: Oncoprotein; G protein; G protein, monomeric; G protein, monomeric, Ras; Motility/polarity/chemotaxis

Chromosomal Location of Human Ortholog: 12p12.1

Cellular Component: extrinsic to internal side of plasma membrane; focal adhesion; mitochondrion; membrane; cytoplasm; plasma membrane; cytosol; lipid raft

Molecular Function: protein binding; GDP binding; GTP binding; GMP binding; protein complex binding; LRR domain binding

Biological Process: regulation of long-term neuronal synaptic plasticity; axon guidance; nerve growth factor receptor signaling pathway; activation of MAPKK activity; response to glucocorticoid stimulus; activation of NF-kappaB transcription factor; positive regulation of MAP kinase activity; small GTPase mediated signal transduction; positive regulation of cell proliferation; visual learning; negative regulation of neuron apoptosis; epidermal growth factor receptor signaling pathway; fibroblast growth factor receptor signaling pathway; cytokine and chemokine mediated signaling pathway; positive regulation of nitric-oxide synthase activity; MAPKKK cascade; social behavior; response to mineralocorticoid stimulus; regulation of synaptic transmission, GABAergic; positive regulation of Rac protein signal transduction; negative regulation of cell differentiation; Ras protein signal transduction; insulin receptor signaling pathway; innate immune response; striated muscle cell differentiation; positive regulation of protein amino acid phosphorylation; actin cytoskeleton organization and biogenesis; blood coagulation; vascular endothelial growth factor receptor signaling pathway; leukocyte migration

Disease: Bladder Cancer; Gastric Cancer, Hereditary Diffuse; Pancreatic Cancer; Noonan Syndrome 3; Leukemia, Acute Myeloid; Lung Cancer; Breast Cancer; Schimmelpenning-feuerstein-mims Syndrome; Cardiofaciocutaneous Syndrome 2