Chains and heterogens:
PDB Chain Sequences:
>7ccfA (A:) mhhhhhhssglvprgsgmketaaakferqhmdspdlgtddddkamadigstshhgyqpfd mhnpfpaykelrqeepvmfderigywvvtkyddikttfddwetfssenaqapvrkrgpqa tqimtdggftaysglsarippehtriraiaqkaftprrykalepdiramvidrvekmlan dqhvgdmvsdlaydiptitiltligadismvdtykrwsdsraamtwgdlsdeeqiphahn lveywqecqrmvadahahggdnltadlvraqqegqeitdheiasllysllfaghettttl isncfrvlldhpeqwqailenpklipaavdevlrysgsivgwrrkalkdteiggvaikeg dgvlllmgsanrdearfengeefdisranarehlsfgfgihyclgnmlaklqakicleev trlvpslhlvadkaigfrenlsfrvptsvpvtwna
>7ccfA (A:) tshhgyqpfdmhnpfpaykelrqeepvmfderigywvvtkyddikttfddwetfssenaq apvrkrgpqatqimtdggftaysglsarippehtriraiaqkaftprrykalepdiramv idrvekmlandqhvgdmvsdlaydiptitiltligadismvdtykrwsdsraamtwgdls deeqiphahnlveywqecqrmvadahahggdnltadlvraqqegqeitdheiasllysll faghettttlisncfrvlldhpeqwqailenpklipaavdevlrysgsivgwrrkalkdt eiggvaikegdgvlllmgsanrdearfengeefdisranarehlsfgfgihyclgnmlak lqakicleevtrlvpslhlvadkaigfrenlsfrvptsvpvtwna