>2a2uC (C:) observed residues (from ATOM records) eeasstrgnldvaklngdwfsivvasnkrekieengsmrvfmqhidvlenslgfkfrike ngecrelylvayktpedgeyfveydggntftilktdydryvmfhlinfkngetfqlmvly grtkdlssdikekfaklceahgitrdniidltktdrcl