>4mxiC (C:) observed residues (from ATOM records)
diysrllkdriimlgsqiddnvansivsqllflqaqdsekdiylyinspggsvtagfaiy
dtiqhikpdvqticigmaaamgsfllaagakgkrfalpnaevmihqplteieiaanhilk
treklnrilsertgqsiekiqkdtdrdnfltaeeakeyglidevmvpet