- BP002608-CF23: Recombinant Human Follistatin-Related Protein 1 (FSTL1) Protein
 
 Source: E. coli-derived.
 Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
 Endotoxin: < 0.1 ng/ug (1 IEU/ug).
- BP003896: Human FSTL1 Protein with the C-His Tag - Source: The recombinant Human FSTL1 Protein, (amino acids Glu21-Ile308) 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.
- BP004888: Human FSTL3 Protein with the C-His Tag - Source: The recombinant Human FSTL3 Protein, (amino acids Met27-Val263) fused with a His tag at the C-terminus, was produced in HEK 293 cells. 
 Activity: Immobilized recombinant Human FSTL3 protein with the C-His tag at 0.5 ug/ml (100 ul/Well) on the plate. Dose response curve for the recombinant Anti-FSTL3 Antibody protein with the C-hFc tag with the EC50 of 2.7 ng/ml determined by ELISA (QC Test).
 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.
- BP003884: Mouse FSTL1 Protein with the C-His Tag - Source: The recombinant Mouse FSTL1 Protein, (amino acids Glu19-Ile306) 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.
- BP004906: Mouse FSTL3 Protein with the C-His Tag - Source: The recombinant Mouse FSTL3 Protein, (amino acids Val24-Val256) fused with a His tag at the C-terminus, was produced in HEK 293 cells. 
 Activity: Immobilized recombinant Human Activin A protein with the C-His tag at 0.2 ug/ml (100 ul/well) on the plate. Dose response curve for the recombinant Mouse FSTL3 protein with the C-His tag with the EC50 of 18.0 ng/ml determined by ELISA (QC Test). The affinity constant of 53.09 pM as determined in SPR assay (Biacore T200).
 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.