Erythropoietin is the principal hormone involved in the regulation of erythrocyte differentiation and the maintenance of a physiological level of circulating erythrocyte mass. Source: Recombinant protein corresponding to aa26-192 from bovine Erythropoietin, fused to His-Tag at N-terminal, expressed in Yeast. Molecular Weight: ~20.38kD Amino Acid Sequence: APARLICDSRVLERYILEAREAENATMGCAEGCSFNENITVPDTKVNFYAWKRMEVQQQALEVWQGLALLSEAILRGQALLANASQPCEALRLHVDKAVSGLRSLTSLLRALGAQKEAISLPDATPSAAPLRAFTVDALSKLFRIYSNFLRGKLTLYTGEACRRGDR 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.