>4mxiF (F:) observed residues (from ATOM records)
ydiysrllkdriimlgsqiddnvansivsqllflqaqdsekdiylyinspggsvtagfai
ydtiqhikpdvqticigmaaamgsfllaagakgkrfalpnaevmihqplqateieiaanh
ilktreklnrilsertgqsiekiqkdtdrdnfltaeeakeyglidevmvp