>1s1cA (A:) observed residues (from ATOM records) airkklvivgdgacgktcllivfskdqfpevyvptvfenyvadievdgkqvelalwdtag qedydrlrplsypdtdvilmcfsidspdslenipekwtpevkhfcpnvpiilvgnkkdlr ndehtrrelakmkqepvkpeegrdmanrigafgymecsaktkdgvrevfematraalqa