- BP000174-C302: Recombinant Human Activin Receptor Type IIB (Activin RIIB) Protein 
 
 Source: HEK 293-derived.
 Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
 Endotoxin: < 0.1 ng/ug (1 IEU/ug).
- BP003826: Human Activin A Protein with No Tag - Source: The recombinant Human Activin A Protein, (amino acids Gly311-Ser426) fused with No tag at the terminus, was produced in HEK 293 cells. 
 Activity: Immobilized recombinant Human Activin A protein with no tag at 1 ug/ml (100 ul/well) on the plate. Dose response curve for the recombinant Human Activin RIIB protein with the His tag with the EC50 of 21.4 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.
- BP003406: Human Activin RIIA/ACVR2A Protein with the C-His Tag - Source: The recombinant Human Activin RIIA/ACVR2A Protein, (amino acids Ala20-Pro135) fused with a His tag at the C-terminus, was produced in HEK 293 cells. 
 Activity: Immobilized recombinant Human Activin Aprotein with the C-His tag at 5 ug/ml (100 ul/well) on the plate. Dose response curve for the recombinant Human Activin RIIA protein with the C-His tag with the EC50 of 0.23 ug/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.
- BP003421: Human Activin RIIB/ACVR2B Protein with the C-His Tag - Source: The recombinant Human Activin RIIB/ACVR2B Protein, (amino acids Ser19-Thr137) 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 1 ug/ml (100 ul/well) on the plate. Dose response curve for the recombinant Human Activin RIIB protein with the C-His tag with the EC50 of 21.4 ng/ml determined by ELISA (QC Test). The affinity constant of 27.92 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.
- BP003071: Human Latent Activin A Protein with the N-His Tag - Source: The recombinant Human Latent Activin A Protein, (amino acids Ser21-Ser426) fused with a His tag at the N-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.
- BP003414: Mouse Activin RIIB/ACVR2B Protein Protein with the C-His Tag - Source: The recombinant Mouse Activin RIIB/ACVR2B Protein Protein, (amino acids Ser19-Thr137) 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 1 ug/ml (100 ul/well) on the plate. Dose response curve for the recombinant Mouse Activin RIIB protein with the C-His tag with the EC50 of 22.1 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.