Chains and heterogens:
PDB Chain Sequences:
>2fqfA (A:) aerptlpipdllttdarnriqltigagqstfggktattwgyngnllgpavklqrgkavtv diynqlteettlhwhglevpgevdggpqgiippggkrsvtlnvdqpaatcwfhphqhgkt grqvamglaglvvieddeilklmlpkqwgiddvpvivqdkkfsadgqidyqldvmtaavg wfgdtlltngaiypqhaaprgwlrlrllngcnarslnfatsdnrplyviasdggllpepv kvselpvlmgerfevlvevndnkpfdlvtlpvsqmgmaiapfdkphpvmriqpiaisasg alpdtlsslpalpslegltvrklqlsmdpmldmmgmqmlmekygdqamagmdhsqmmghm ghgnmnhmnhggkfdfhhankingqafdmnkpmfaaakgqyerwvisgvgdmmlhpfhih gtqfrilsengkppaahragwkdtvkvegnvsevlvkfnhdapkehaymahchllehedt gmmlgftv
>2fqfA (A:) rptlpipdllttdarnriqltigagqstfggktattwgyngnllgpavklqrgkavtvdi ynqlteettlhwhglevpgevdggpqgiippggkrsvtlnvdqpaatcwfhphqhgktgr qvamglaglvvieddeilklmlpkqwgiddvpvivqdkkfsadgqidyqldvmtaavgwf gdtlltngaiypqhaaprgwlrlrllngcnarslnfatsdnrplyviasdggllpepvkv selpvlmgerfevlvevndnkpfdlvtlpvsqmgmaiapfdkphpvmriqpiaisasgal pdtlsslpalpslegltvrklqlsmdpmldmmgmqmlmekygdqamagmdfdfhhankin gqafdmnkpmfaaakgqyerwvisgvgdmmlhpfhihgtqfrilsengkppaahragwkd tvkvegnvsevlvkfnhdapkehaymahchllehedtgmmlgftv