- BP000978-CF30: Recombinant Human Ubiquitin-Conjugating Enzyme E2I (UBE2I) 
 
 Source: E. coli-derived.
 Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
 Endotoxin: < 0.1 ng/ug (1 IEU/ug).
- BP000978-ENZ-274: Recombinant Human Ubiquitin-Conjugating Enzyme E2I (UBE2I), His Tag 
 
 Source: E. coli-derived.
 Purity: > 95% by RP-HPLC and SDS-PAGE.
- BP000978-ENZ-341: Recombinant Human Ubiquitin-Conjugating Enzyme E2I (UBE2I) 
 
 Source: E. coli-derived.
 Purity: > 95% by RP-HPLC and SDS-PAGE.