Chains and heterogens:
PDB Chain Sequences:
>1c4kA (A:) ssslkiastqearqyfdtdrvvvdavgsdftdvgaviamdyetdvidaadatkfgipvfa vtkdaqaisadelkkifhiidlenkfdatvnareietavnnyedsilppffkslkeyvsr yliqfdcpghqggqyyrkhpagrefydffgetvfradlcnadvalgdllihegpavaaek haarvynadktyfvlggssnanntvtsalvsngdlvlfdrnnhksvynsalamaggrpvy lqtnrnpygfiggiydsdfdekkirelaakvdperakwkrpfrlaviqlgtydgtiynah evvkrighlcdyiefdsawvgyeqfipmmrnssplliddlgpedpgiivvqsvhkqqagf sqtsqihkkdshikgqlrycdhkhfnnsfnlfmstspfypmyaaldvnaamqegeagrkl whdllittiearkklikagsmfrpfvppvvngkkwedgdtedmannidywrfekgakwha yegygdnqyyvdpnkfmlttpginpetgdyedfgvpativanylrdhgiipeksdlnsil flmtpaetpakmnnlitqllqlqrlieedaplkqvlpsiyaaneeryngytirelcqelh dfyknnntftyqkrlflreffpeqgmlpyearqefirnhnklvplnkiegeialegalpy ppgvfcvapgekwsetavkyftilqdginnfpgfapeiqgvyfkqegdkvvaygevydae vaknddrynn
>1c4kA (A:) ssslkiastqearqyfdtdrvvvdavgsdftdvgaviamdyetdvidaadatkfgipvfa vtkdaqaisadelkkifhiidlefdatvnareietavnnyedsilppffkslkeyvsryl iqfdcpghqggqyyrkhpagrefydffgetvfradlcnadvalgdllihegpavaaekha arvynadktyfvlggssnanntvtsalvsngdlvlfdrnnhksvynsalamaggrpvylq tnrnpygfiggiydsdfdekkirelaakvdperakwkrpfrlaviqlgtydgtiynahev vkrighlcdyiefdsawvgyeqfipmmrnssplliddlgpedpgiivvqsvhkqqagfsq tsqihkkdshikgqlrycdhkhfnnsfnlfmstspfypmyaaldvnaamqegeagrklwh dllittiearkklikagsmfrpfvppvvngkkwedgdtedmannidywrfekgakwhaye gygdnqyyvdpnkfmlttpginpetgdyedfgvpativanylrdhgiipeksdlnsilfl mtpaetpakmnnlitqllqlqrlieedaplkqvlpsiyaaneeryngytirelcqelhdf yknnntftyqkrlflreffpeqgmlpyearqefirnhnklvplnkiegeialegalpypp gvfcvapgekwsetavkyftilqdginnfpgfapeiqgvyfkqegdkvvaygevydaeva knddrynn