>1a2b_ (-) observed residues (from ATOM records)
irkklvivgdvacgktcllivfskdqfpevyvptvfenyvadievdgkqvelalwdtagq
edydrlrplsypdtdvilmcfsidspdslenipekwtpevkhfcpnvpiilvgnkkdlrn
dehtrrelakmkqepvkpeegrdmanrigafgymecsaktkdgvrevfematraalqa