- BP000975-C862: Recombinant Human Ubiquitin Conjugating Enzyme E2B (UBE2B) 
 
 Source: HEK 293-derived.
 Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
 Endotoxin: < 0.1 ng/ug (1 IEU/ug).
- BP000975-CF58: Recombinant Human Ubiquitin Conjugating Enzyme E2B (UBE2B) 
 
 Source: E. coli-derived.
 Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
 Endotoxin: < 0.1 ng/ug (1 IEU/ug).
- BP000975-ENZ-340: Recombinant Human Ubiquitin Conjugating Enzyme E2B (UBE2B) 
 
 Source: E. coli-derived.
 Purity: > 95% by RP-HPLC and SDS-PAGE.