Suitable for use in ELISA and Western Blot. Other applications not tested.

Western Blot: 1ug/ml with HEK293 human embryonic kidney cell line transfected with human Activin RIB/ALK-4 Optimal dilutions to be determined by the researcher.

Lyophilized and reconstituted products are stable for 12 months after receipt at -20°C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Recombinant protein corresponding to human human Activin RIB/ALK-4|Ser24-Glu126, expressed in Mouse myeloma cell line NS0.

Supplied as a lyophilized powder from PBS, pH 7.4, 5% trehalose. Reconstitute with 1ml sterile PBS.

Purified by Protein G affinity chromatography from hybridoma culture supernatant.

Recognizes human Activin RIB/ALK­4.