BirA, Recombinant, GST-Tag, aa2–321

Size

£1,117.00

SKU:: 171831
Molecular Weight:: 61
Purity:: ~78%
Storage Conditions:: -70°C
Supplier:: United States Biological
Format:: Supplied as a liquid in 40mM Tris-HCl, pH 8.0, 110mM NaCl, 2.2mM KCl, 16mM glutathione, 3mM DTT, 20% glycerol.
Extra Details:: Biotin ligase BirA, GenBank Accession No. NP_418404, a.a.2-321 with N-terminal GST-tag, MW = 61kD, expressed in an E. coli cell expression system. Source: Recombinant protein corresponding to aa2-321 of BirA at the N-terminus, fused to GST tag expressed in E.coli. Molecular Weight: ~61kD Application: Useful for covalently biotin-labeling of acceptor proteins for detection and purification assays. Storage and Stability: Aliquot to avoid repeated freezing and thawing and store at -70°C. Aliquots are stable for 6 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap