Chains and heterogens:
PDB Chain Sequences:
>4fkeA (A:) dqskpwnryrlpttllpdsynvtlrpyltpnadglyifkgksivrflcqeptdviiihsk klnyttqghmvvlrgvgdsqvpeidrtelvelteylvvhlkgslqpghmyemesefqgel addlagfyrseymegnvkkvlattqmqstdarksfpcfdepamkatfnitlihpnnltal snmppkgsstplaedpnwsvtefettpvmstyllayivsefqsvnetaqngvliriwarp naiaeghgmyalnvtgpilnffanhyntsyplpksdqialpdfnagamenwglvtyrena llfdpqsssisnkervvtviahelahqwfgnlvtlawwndlwlnegfasyveylgadhae ptwnlkdlivpgdvyrvmavdalasshplttpaeevntpaqisemfdsisyskgasvirm lsnfltedlfkeglasylhafayqnttyldlwehlqkavdaqtsirlpdtvraimdrwtl qmgfpvitvdtktgnisqkhflldsesnvtrssafdylwivpissikngvmqdhywlrdv sqaqndlfktasddwvllnvnvtgyfqvnydednwrmiqhqlqtnlsvipvinraqviyd sfnlatahmvpvtlaldntlflngekeympwqaalsslsyfslmfdrsevygpmkkylrk qveplfqhfetltknwterpenlmdqyseinaistacsnglpqcenlaktlfdqwmsdpe nnpihpnlrstiycnaiaqggqdqwdfawgqlqqaqlvneadklrsalacsnevwllnry lgytlnpdlirkqdatstinsiasnvigqplawdfvqsnwkklfqdygggsfsfsnliqg vtrrfssefelqqleqfkknnmdvgfgsgtraleqalektkanikwvkenkevvlnwfie hsshhhhhh
>4fkeA (A:) qskpwnryrlpttllpdsynvtlrpyltpnadglyifkgksivrflcqeptdviiihskk lnyttqghmvvlrgvgdsqvpeidrtelvelteylvvhlkgslqpghmyemesefqgela ddlagfyrseymegnvkkvlattqmqstdarksfpcfdepamkatfnitlihpnnltals nmppkgsstplaedpnwsvtefettpvmstyllayivsefqsvnetaqngvliriwarpn aiaeghgmyalnvtgpilnffanhyntsyplpksdqialpdfnagamenwglvtyrenal lfdpqsssisnkervvtviahelahqwfgnlvtlawwndlwlnegfasyveylgadhaep twnlkdlivpgdvyrvmavdalasshplttpaeevntpaqisemfdsisyskgasvirml snfltedlfkeglasylhafayqnttyldlwehlqkavdaqtsirlpdtvraimdrwtlq mgfpvitvdtktgnisqkhflldsesnvtrssafdylwivpissikngvmqdhywlrdvs qaqndlfktasddwvllnvnvtgyfqvnydednwrmiqhqlqtnlsvipvinraqviyds fnlatahmvpvtlaldntlflngekeympwqaalsslsyfslmfdrsevygpmkkylrkq veplfqhfetltknwterpenlmdqyseinaistacsnglpqcenlaktlfdqwmsdpen npihpnlrstiycnaiaqggqdqwdfawgqlqqaqlvneadklrsalacsnevwllnryl gytlnpdlirkqdatstinsiasnvigqplawdfvqsnwkklfqdygggsfsfsnliqgv trrfssefelqqleqfkknnmdvgfgsgtraleqalektkanikwvkenkevvlnwfieh ss