>2bnnB (B:) SEQRES residues msntktastgfaellkdrreqvkmdhaalasllgetpetvaawengeggeltltqlgria hvlgtsigaltppagndlddgviiqmpderpilkgvrdnvdyyvynclvrtkrapslvpl vvdvltdnpddakfnsghagneflfvlegeihmkwgdkenpkeallptgasmfveehvph aftaakgtgsakliavnf