- BP000963-C257: Recombinant Human Quinolinate phosphoribosyltransferase (QPRT) Enzyme 
 
 Source: E. coli-derived.
 Purity: > 95% by reducing SDS-PAGE.
 Endotoxin: < 0.1 ng/ug (1 IEU/ug).
- BP000962-ENZ-559: Recombinant Human Quinolinate phosphoribosyltransferase (QPRT) Enzyme 
 
 Source: E. coli-derived.
 A single, non-glycosylated, polypeptide chain containing 317 amino acids (1-297 a.a.) and having a molecular mass of 32.9 kDa.
 Purity: > 95% by SDS-PAGE.