Chains and heterogens:
PDB Chain Sequences:
>1pyxA (A:) gpmsgrprttsfaesckpvqqpsafgsmkvsrdkdgskvttvvatpgqgpdrpqevsytd tkvigngsfgvvyqaklcdsgelvaikkvlqdkrfknrelqimrkldhcnivrlryffys sgekkdevylnlvldyvpetvyrvarhysrakqtlpviyvklymyqlfrslayihsfgic hrdikpqnllldpdtavlklcdfgsakqlvrgepnvsyicsryyrapelifgatdytssi dvwsagcvlaelllgqpifpgdsgvdqlveiikvlgtptreqiremnpnytefkfpqika hpwtkvfrprtppeaialcsrlleytptarltpleacahsffdelrdpnvklpngrdtpa lfnfttqelssnpplatilipphariqaaastptnataasdantgdrgqtnnaasasasn st
>1pyxA (A:) skvttvvatpgqgpdrpqevsytdtkvigngsfgvvyqaklcdsgelvaikkvlqdkrfk nrelqimrkldhcnivrlryffyssevylnlvldyvpetvyrvarhysrakqtlpviyvk lymyqlfrslayihsfgichrdikpqnllldpdtavlklcdfgsakqlvrgepnvsyics ryyrapelifgatdytssidvwsagcvlaelllgqpifpgdsgvdqlveiikvlgtptre qiremnpfkfpqikahpwtkvfrprtppeaialcsrlleytptarltpleacahsffdel rdpnvklpngrdtpalfnfttqelssnpplatilipphariqa
>1pyxB (B:) gpmsgrprttsfaesckpvqqpsafgsmkvsrdkdgskvttvvatpgqgpdrpqevsytd tkvigngsfgvvyqaklcdsgelvaikkvlqdkrfknrelqimrkldhcnivrlryffys sgekkdevylnlvldyvpetvyrvarhysrakqtlpviyvklymyqlfrslayihsfgic hrdikpqnllldpdtavlklcdfgsakqlvrgepnvsyicsryyrapelifgatdytssi dvwsagcvlaelllgqpifpgdsgvdqlveiikvlgtptreqiremnpnytefkfpqika hpwtkvfrprtppeaialcsrlleytptarltpleacahsffdelrdpnvklpngrdtpa lfnfttqelssnpplatilipphariqaaastptnataasdantgdrgqtnnaasasasn st
>1pyxB (B:) skvttvvatpgqgpdrpqevsytdtkvigngsfgvvyqaklcdsgelvaikkvlqdkrfk nrelqimrkldhcnivrlryffyssevylnlvldyvpetvyrvarhysrakqtlpviyvk lymyqlfrslayihsfgichrdikpqnllldpdtavlklcdfgsakqlvrgepnvsyics ryyrapelifgatdytssidvwsagcvlaelllgqpifpgdsgvdqlveiikvlgtptre qiremfkfpqikahpwtkvfrprtppeaialcsrlleytptarltpleacahsffdelrd pnvklpngrdtpalfnfttqelssnpplatilipphar