>1q3dA (A:) observed residues (from ATOM records)
skvttvvatpgqgpdrpqevsytdtkvigngsfgvvyqaklcdsgelvaikkvlqdkrfk
nrelqimrkldhcnivrlryffyssvylnlvldyvpetvyrvarhysrakqtlpviyvkl
ymyqlfrslayihsfgichrdikpqnllldpdtavlklcdfgsakqlvrgepnvsyicsr
yyrapelifgatdytssidvwsagcvlaelllgqpifpgdsgvdqlveiikvlgtptreq
iremnpfpqikahpwtkvfrprtppeaialcsrlleytptarltpleacahsffdelrdp
nvklpngrdtpalfnfttqelssnpplatilipphariq