Source: Recombinant protein corresponding to mouse FCGRT aa22-297, B2M aa1-119 from mouse FcRn (FCGRT/B2M), fused to His-Avi-Tag at C-terminal, expressed in HEK293 cells. Molecular Weight: ~14kD, 34kD Specific Activity: ~100pmol/min/ug Applications: Suitable for use as a positive control for Western Blot. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20C. Aliquots are stable for 6 months after receipt 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.