>4mxiG (G:) observed residues (from ATOM records)
ydiysrllkdriimlgsqiddnvansivsqllflqaqdsekdiylyinspggsvtagfai
ydtiqhikpdvqticigmaaamgsfllaagakgkrfalpnaevmihqplqateieiaanh
ilktreklnrilsertgqsiekiqkdtdrdnfltaeeakeyglidevmvpe