EFNA1, is a member of the ephrin (EPH) family. The EPH subfamily represents the largest group of receptor protein kinases. There is increasing evidence that Eph family members are involved in central nervous system function and in development. Recombinant protein corresponding to aa19-182 from human EFNA1, fused to His-tag at N-terminal expressed in E.coli. Molecular Weight: ~21.6kD Amino Acid Sequence: MGSSHHHHHH SSGLVPRGSH MDRHTVFWNS SNPKFRNEDY TIHVQLNDYV DIICPHYEDH SVADAAMEQY ILYLVEHEEY QLCQPQSKDQ VRWQCNRPSA KHGPEKLSEK FQRFTPFTLG KEFKEGHSYY YISKPIHQHE DRCLRLKVTV SGKITHSPQA HVNPQEKRLA ADDPEVRVLH SIGHS 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.