Chains and heterogens:
PDB Chain Sequences:
>4ef3A (A:) aerptlpipdllttdarnriqltigagqstfggktattwgyngnllgpavklqrgkavtv diynqlteettlhwhglevpgevdggpqgiippggkrsvtlnvdqpaatcwfhphqhgkt grqvamglaglvvieddeilklmlpkqwgiddvpvivqdkkfsadgqidyqldvmtaavg wfgdtlltngaiypqhaaprgwlrlrllngcnarslnfatsdnrplyviasdggllpepv kvselpvlmgerfevlvevndnkpfdlvtlpvsqmgmaiapfdkphpvmriqpiaisasg alpdtlsslpalpslegltvrklqlsmdpmldmmgmqmlmekygdqamagmdhsqmmghm ghgnmnhmnhggkfdfhhankingqafdmnkpmfaaakgqyerwvisgvgdmmlhpfhih gtqfrilsengkppaahragwkdtvkvegnvsevlvkfnhdapkehaymahchllehedt gmmlgftvg
>4ef3A (A:) erptlpipdllttdarnriqltigagqstfggktattwgyngnllgpavklqrgkavtvd iynqlteettlhwhglevpgevdggpqgiippggkrsvtlnvdqpaatcwfhphqhgktg rqvamglaglvvieddeilklmlpkqwgiddvpvivqdkkfsadgqidyqldvmtaavgw fgdtlltngaiypqhaaprgwlrlrllngcnarslnfatsdnrplyviasdggllpepvk vselpvlmgerfevlvevndnkpfdlvtlpvsqmgmaiapfdkphpvmriqpiaisasga lpdtlsslpalpslegltvrklqlsmdpmldmmgmqmlmekygdqamagmfdfhhankin gqafdmnkpmfaaakgqyerwvisgvgdmmlhpfhihgtqfrilsengkppaahragwkd tvkvegnvsevlvkfnhdapkehaymahchllehedtgmmlgftvg