>1p87B (B:) observed residues (from ATOM records)
mrdmlkagvhfghqtrywnpkmkpfifgarnkvhiinlektvpmfnealaelnkiasrkg
kilfvgtkraaseavkdaalscdqffvnhrwlggmltnwktvrqsikrlkdletqsqdgt
fdkltkkealmrtreleklenslggikdmgglpdalfvidadhehiaikeannlgipvfa
ivdtnsdpdgvdfvipgnddairavtlylgavaatvregrsqdlasqaeesfveae