- BP000239-C544: Recombinant Human Secreted Phosphoprotein 1 (SPP1) Protein 
 
 Source: HEK 293-derived.
 Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
 Endotoxin: < 0.1 ng/ug (1 EU/ug).
- BP000239-CYT-047: Recombinant Human Secreted Phosphoprotein 1 (SPP1) Protein, HEK 
 
 Source: HEK 293 cells-derived.
 Purity: > 90% by SDS-PAGE.
- BP000239-CYT-635: Recombinant Human Secreted Phosphoprotein 1 (SPP1) Protein 
 
 Source: E. coli-derived.
 Purity: > 90% by SDS-PAGE.