>1zc4A (A:) observed residues (from ATOM records)
slalhkvimvgsggvgksaltlqfmydefvedyeptkadsyrkkvvldgeevqidildta
gledyaairdnyfrsgegflcvfsitemesfaatadfreqilrvkedenvpfllvgnksd
ledkrqvsveeaknraeqwnvnyvetsaktranvdkvffdlmreirarkmeds