- BP001691-C452: Recombinant Human Chitinase-3-Like Protein 1 (CHI3L1) 
 
 Source: HEK 293-derived.
 Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
 Endotoxin: < 0.1 ng/ug (1 IEU/ug).
- BP004658: Human YKL-40/CHI3L1 Protein with the C-His Tag - Source: The recombinant Human YKL-40/CHI3L1 Protein, (amino acids Tyr22-Thr383) fused with a His tag at the C-terminus, was produced in HEK 293 cells. 
 Activity: Immobilized recombinant Human YKL-40 protein with the C-His tag at 1 ug/ml (100 ul/well) on the plate. Dose response curve for the recombinant Anti-YKL-40 Antibody protein with the C-hFc tag with the EC50 of 17.8 ng/ml determined by ELISA.
 Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
 Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.
- BP004679: Mouse YKL-40/CHI3L1 Protein with the C-His Tag - Source: The recombinant Mouse YKL-40/CHI3L1 Protein, (amino acids Tyr30-Ala389) fused with a His tag at the C-terminus, was produced in HEK 293 cells. 
 Activity:
 Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
 Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.