Catalog # RM3371

Ras M337 Antibody

Mouse Monoclonal

Application / Dilution

Size 100 μl

Species Reactivity Hu, Rt, Ms

MW 21 kDa

Isotype IgG1



The Ras family (K-Ras, H-Ras, and N-Ras) includes 21 kDa guanine-nucleotide binding proteins that cycle between active (GTP-bound) and inactive (GDP-bound) forms. Receptor tyrosine kinases and G-protein-coupled receptors activate Ras, which then stimulates the Raf-MEK-MAP kinase pathway. Both GTPase-activating proteins (GAPs), such as p120 Ras-GAP, and guanine-nucleotide exchange factors (GEFs) regulate the activity of Ras proteins in many cell signaling pathways. Mutations in Ras are found in several cancers, and the most common oncogenic mutation is Gly12 to Asp (G12D), which prevents Ras inactivation.



Ma, J. & Karplus, M. (1997) J. Mol. Biol. 274:114.
Boguski, M.S. & McCormick, F. (1993) Nature 366:643.
Buday, L. & Downward, J. (1993) Cell 73:611.
Huang, D.C. et al. (1993) Mol. Cell Biol. 13:2420.

Western blot of mouse brain (lane 1), human A431 (lane 2), and Jurkat (lane 3) lysates. The blot was probed with mouse monoclonal anti-Ras antibody at 1:500.

Immunocytochemical labeling of Ras in aldehyde-fixed and NP-40 permeabilized human NCI-H1915 lung carcinoma cells. The cells were labeled with mouse monoclonal anti-Ras (RM3371) antibody. The antibody was detected using appropriate secondary antibody conjugated to DyLight® 594.

Clone (M337) was generated from a full-length recombinant human H-Ras sequence. This sequence has high homology to mouse and rat Ras, and may detect K-Ras and N-Ras .

*For more information, see UniProt Accession P01112
Mouse monoclonal, protein A purified antibody is supplied in 100µl phosphate-buffered saline, 50% glycerol, 1 mg/ml BSA, and 0.05% sodium azide. Store at -20°C. Stable for 1 year.

The products are are safely shipped at ambient temperature for both domestic and international shipments. Each product is guaranteed to match the specifications as indicated on the corresponding technical data sheet. Please store at -20C upon arrival for long term storage.

This antibody detects a 21 kDa* protein corresponding to the molecular mass of Ras on SDS-PAGE immunoblots of adult mouse brain, human A431, and human Jurkat cells.

*All molecular weights (MW) are confirmed by comparison to Bio-Rad Rainbow Markers and to western blot mobilities of known proteins with similar MW.

This kit contains: