Chains and heterogens:
PDB Chain Sequences:
>6im7A (A:) aerptlpipdllttdarnriqltigagqstfggktattwgyngnllgpavklqrgkavtv diynqlteettlhwhglevpgevdggpqgiippggkrsvtlnvdqpaatcwfhphqhgkt grqvamglaglvvieddeilklmlpkqwgiddvpvivqdkkfsadgqidyqldvmtaavg wfgdtlltngaiypqhaaprgwlrlrllngcnarslnfatsdnrplyviasdggllpepv kvselpvlmgerfevlvevndnkpfdlvtlpvsqmgmaiapfdkphpvmriqpiaisasg alpdtlsslpalpslegltvrklqlsmdpildmmgmqmlmekygdqamagmdhsqmprfm dyweglnmnhggkfdfhhankingqafdmnkpmfaaakgqyerwvisgvgdmmlhpfhih gtqfrilsengkppaahragwkdtvkvegnvsevlvkfnhdapkehaymahchllehedt gmmlgftvkdpnsssvdklaaalehhhhhh
>6im7A (A:) erptlpipdllttriqltigagqstfggktattwgyngnllgpavklqrgkavtvdiynq lteettlhwhglevpgevdggpqgiippggkrsvtlnvdqpaatcwfhphqhgktgrqva mglaglvvieddeilklmlpkqwgiddvpvivqdkkfsadgqidyqldvmtaavgwfgdt lltngaiypqhaaprgwlrlrllngcnarslnfatsdnrplyviasdggllpepvkvsel pvlmgerfevlvevndnkpfdlvtlpvsqmgmaiapfdkphpvmriqpiaisasgalpdt lsslpalpslegltvrklqlsmdpildmmgmqmlmekygdqamagdfhhankingqafdm nkpmfaaakgqyerwvisgvgdmmlhpfhihgtqfrilsengkppaahragwkdtvkveg nvsevlvkfnhdapkehaymahchllehedtgmmlgftvkd