Recombinant protein corresponding to Ala1111~Gly1440 from rat Pregnancy Associated Plasma Protein A, with a N-terminal His-Tag, expressed in E. coli. , Molecular Weight: ~40.3kD Applications: Suitable for use as a positive control, immunogen, SDS-PAGE and Western Blot. Other applications not tested. Recommended Dilutions: Optimal dilutions to be determined by the researcher. Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20C. 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.