>2c2iB (B:) SEQRES residues mrtfesvadlaaaagekvgqsdwvtitqeevnlfadatgdhqwihvdperaaagpfgtti ahgfmtlallprlqhqmytvkgvklainyglnkvrfpapvpvgsrvratsslvgvedlgn gtvqatvsttvevegsakpacvaesivryva