>2z4mB (B:) SEQRES residues atvsmrdmlkagvhfghqtrywnpkmkpfifgarnkvhiinlektvpmfnealaelnkia srkgkilfvgtkraaseavkdaalscdqffvnhrwlggmltnwktvrqsikrlkdletqs qdgtfdkltkkealmrtreleklenslggikdmgglpdalfvidadhehiaikeannlgi pvfaivdtnsdpdgvdfvipgnddairavtlylgavaatvregrsqdlasqaeesfveae