>1z2cC (C:) observed residues (from ATOM records)
maairkklvivgdgacgktcllivnskdqfpevyvptvfenyiadievdgkqvelalwdt
agqedydrlrplsypdtdvilmcfsidspdslenipekwtpevkhfcpnvpiilvgnkkd
lrqdehtrrelakmkqepvrseegrdmanrisafgylecsaktkegvrevfematragl