>2qbfB (B:) SEQRES residues atvsmrdmlkagvhfghqtrywnpkmkpfifgarnkvhiinlektvpmfnealaelnkia srkgkilfvgtkraaseavkdaalscdqffvnhrwlggmltnwktvrqsikrlkdletqs qdgtfdkltkkealmrtreleklenslggikdmgglpdalfvidadhehiaikeannlgi pvfaivdtnsdpdgvdfvipgnddairavtlylgavaatvregrsqdlasqaeesfveae