Wild Type KRAS (1-166) Protein, Biotinylated at the C-terminus

KRAS protein (amino acids 1 – 166; isoform KRAS4B (UNIPROT: P01116-2))

Tag(s): C-terminal AviTag and C-terminal 6xHis tag

Molecular Weight: 21.9 kDa

Storage buffer: 20 mM HEPES, pH 7.5, 100 mM NaCl, 1 mM MgCl2, 1 mM 2-mercapthoethanol, 10% glycerol

Purity: >90% by Coomassie staining 

Storage is recommended at -70°C/-80°C for longer periods of time. Minimize freeze/thaw cycles. Store on ice before use. The remaining, undiluted protein should be snap frozen in liquid nitrogen.