>2i2uB (B:) observed residues (from ATOM records) mlkagvhfghqtrywnpkmkpfifgarnkvhiinlektvpmfnealaelnkiasrkgkil fvgtkraaseavkdaalscdqffvnhrwlggmltnwktvrqsikrlkdletqsqdgtfdk ltkkealmrtreleklenslggikdmgglpdalfvidadhehiaikeannlgipvfaivd tnsdpdgvdfvipgnddairavtlylgavaatvregrs