Chains and heterogens:
PDB Chain Sequences:
>3sayA (A:) msgrprttsfaesckpvqqpsafgsmkvsrdkdgskvttvvatpgqgpdrpqevsytdtk vigngsfgvvyqaklcdsgelvaikkvlqdkrfknrelqimrkldhcnivrlryffyssg ekkdevylnlvldyvpetvyrvarhysrakqtlpviyvklymyqlfrslayihsfgichr dikpqnllldpdtavlklcdfgsakqlvrgepnvsyicsryyrapelifgatdytssidv wsagcvlaelllgqpifpgdsgvdqlveiikvlgtptreqiremnpnytefkfpqikahp wtkvfrprtppeaialcsrlleytptarltpleacahsffdelrdpnvklpngrdtpalf nfttqelssnpplatilipphariqaaastptnataasdantgdrgqtnnaasasasnst lehhhhhhhh
>3sayA (A:) skvttvvatpgqgpdrpqevsytdtkvigngsfgvvyqaklcdsgelvaikkvlqdkrfk nrelqimrkldhcnivrlryffyssgekkdevylnlvldyvpetvyrvarhysrakqtlp viyvklymyqlfrslayihsfgichrdikpqnllldpdtavlklcdfgsakqlvrgepnv syicsryyrapelifgatdytssidvwsagcvlaelllgqpifpgdsgvdqlveiikvlg tptreqiremnpnyfkfpqikahpwtkvfrprtppeaialcsrlleytptarltpleaca hsffdelrdpnvklpngrdtpalfnfttqelssnpplatilipphari
>3sayB (B:) msgrprttsfaesckpvqqpsafgsmkvsrdkdgskvttvvatpgqgpdrpqevsytdtk vigngsfgvvyqaklcdsgelvaikkvlqdkrfknrelqimrkldhcnivrlryffyssg ekkdevylnlvldyvpetvyrvarhysrakqtlpviyvklymyqlfrslayihsfgichr dikpqnllldpdtavlklcdfgsakqlvrgepnvsyicsryyrapelifgatdytssidv wsagcvlaelllgqpifpgdsgvdqlveiikvlgtptreqiremnpnytefkfpqikahp wtkvfrprtppeaialcsrlleytptarltpleacahsffdelrdpnvklpngrdtpalf nfttqelssnpplatilipphariqaaastptnataasdantgdrgqtnnaasasasnst lehhhhhhhh
>3sayB (B:) skvttvvatpgqgpdrpqevsytdtkvigngsfgvvyqaklcdsgelvaikkvlqdkrfk nrelqimrkldhcnivrlryffyssgekkdevylnlvldyvpetvyrvarhysrakqtlp viyvklymyqlfrslayihsfgichrdikpqnllldpdtavlklcdfgsakqlvrgepnv syicsryyrapelifgatdytssidvwsagcvlaelllgqpifpgdsgvdqlveiikvlg tptreqiremnpnytefkfpqikahpwtkvfrprtppeaialcsrlleytptarltplea cahsffdelrdpnvklpngrdtpalfnfttqelssnpplatilippha