Catalog # BP1231

Blasticidin S Deaminase Antibody

Rabbit Polyclonal

Application / Dilution

Size 100 μl

Species Reactivity N/A

MW 13 kDa



Retroviral vectors are commonly used for gene expression in vitro and in vivo. The structure of these vectors usually consists of one gene of interest and a selectable marker gene. Fast selection without damaging cells is a critical step for significant gene expression. Blasticidin S deaminase (Bsd) isolated from Bacillus cereus has a neutralizing action on the highly toxic antibiotic blasticidin. A variety of commercially available retroviral vectors, such lentiviral expression systems, utilize Bsd expression for selection using blasticidin. This selectable marker allows selection of stable mammalian cell lines in as little as one week. Catalog# BP1231 is a Bsd antibody that can detect Bsd expression in cells transfected with blasticidin-selectable constructs. This antibody is useful for detection of successful gene transfer in constructs that utilize blasticidin selection.



Kimura M, et al. (1994). Biochim Biophys Acta. 1219(3):653-9.
Izumi M, et al. (1991). Exp Cell Res. 197(2):229-33.

Western blot of 293 cells mock transfected (lane 1) or transiently transfected with pLenti6/TR lentiviral vector (lanes 2 & 3). Blots were probed with anti-Bsd (lanes 1-3). Molecular weight (MW) standards show that Bsd is expressed as a 13 kDa band in only the transfected cells.

Immunocytochemical labeling of Blasticidin S Deaminase (Bsd) in 293 cells mock transfected (left) and transiently transfected with pLenti6/TR lentiviral vector (right). The cells were labeled with anti-Bsd (BP1231) and detected using appropriate secondary antibody conjugated to Texas Red. (Images provided by Charles Mashburn and Dr. George Smith at the University of Kentucky, Spinal Cord and Brain Injury Research Center).

A synthetic peptide (coupled to KLH) corresponding to amino acid residues in the N-terminal region of Blasticidin S Deaminase* from Aspergillus Terreus.

*For more information, see UniProt Accession P0C2P0
Rabbit polyclonal, affinity-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 was affinity purified using the N-terminal Bsd peptide (without carrier). The antibody detects a 13 kDa* protein corresponding to the molecular mass of Bsd on SDS-PAGE immunoblots of 293 cells transfected with a lentiviral vector that expresses the Bsd gene product, but is not detected in mock transfected 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: