>1p87B (B:) SEQRES residues atvsmrdmlkagvhfghqtrywnpkmkpfifgarnkvhiinlektvpmfnealaelnkia srkgkilfvgtkraaseavkdaalscdqffvnhrwlggmltnwktvrqsikrlkdletqs qdgtfdkltkkealmrtreleklenslggikdmgglpdalfvidadhehiaikeannlgi pvfaivdtnsdpdgvdfvipgnddairavtlylgavaatvregrsqdlasqaeesfveae