Chains and heterogens:
PDB Chain Sequences:
>4achA (A:) msyyhhhhhhdydipttenlyfqgamgsshhhhhhssglvprgshmsgrprttsfaesck pvqqpsafgsmkvsrdkdgskvttvvatpgqgpdrpqevsytdtkvigngsfgvvyqakl cdsgelvaikkvlqdkrfknrelqimrkldhcnivrlryffyssgekkdevylnlvldyv petvyrvarhysrakqtlpviyvklymyqlfrslayihsfgichrdikpqnllldpdtav lklcdfgsakqlvrgepnvsyicsryyrapelifgatdytssidvwsagcvlaelllgqp ifpgdsgvdqlveiikvlgtptreqiremnpnytefkfpqikahpwtkvfrprtppeaia lcsrlleytptarltpleacahsffdelrdpnvklpngrdtpalfnfttqelssnpplat ilipphariqaaastptnataasdantgdrgqtnnaasasasnst
>4achA (A:) skvttvvatpgqgpdrpqevsytdtkvigngsfgvvyqaklcdsgelvaikkvlqdkrfk nrelqimrkldhcnivrlryffyssgekkdevylnlvldyvpetvyrvarhysrakqtlp viyvklymyqlfrslayihsfgichrdikpqnllldpdtavlklcdfgsakqlvrgepnv syicsryyrapelifgatdytssidvwsagcvlaelllgqpifpgdsgvdqlveiikvlg tptreqiremnpnytefkfpqikahpwtkvfrprtppeaialcsrlleytptarltplea cahsffdelrdpnvklpngrdtpalfnfttqelssnpplatilipphariq
>4achB (B:) msyyhhhhhhdydipttenlyfqgamgsshhhhhhssglvprgshmsgrprttsfaesck pvqqpsafgsmkvsrdkdgskvttvvatpgqgpdrpqevsytdtkvigngsfgvvyqakl cdsgelvaikkvlqdkrfknrelqimrkldhcnivrlryffyssgekkdevylnlvldyv petvyrvarhysrakqtlpviyvklymyqlfrslayihsfgichrdikpqnllldpdtav lklcdfgsakqlvrgepnvsyicsryyrapelifgatdytssidvwsagcvlaelllgqp ifpgdsgvdqlveiikvlgtptreqiremnpnytefkfpqikahpwtkvfrprtppeaia lcsrlleytptarltpleacahsffdelrdpnvklpngrdtpalfnfttqelssnpplat ilipphariqaaastptnataasdantgdrgqtnnaasasasnst
>4achB (B:) skvttvvatpgqgpdrpqevsytdtkvigngsfgvvyqaklcdsgelvaikkvlqdkrfk nrelqimrkldhcnivrlryffyssgekkdevylnlvldyvpetvyrvarhysrakqtlp viyvklymyqlfrslayihsfgichrdikpqnllldpdtavlklcdfgsakqlvrgepnv syicsryyrapelifgatdytssidvwsagcvlaelllgqpifpgdsgvdqlveiikvlg tptreqiremnpnytefkfpqikahpwtkvfrprtppeaialcsrlleytptarltplea cahsffdelrdpnvklpngrdtpalfnfttqelssnpplatilipphariq