Recombinant protein corresponding to aa1-1227 from Lachnospiraceae Cas12, fused to a C-terminal His-Tag, expressed in E. coli. Molecular Weight: ~130kD Storage and Stability: Aliquot to avoid repeated freezing and thawing and store at -70C. Aliquots are stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.