Chains and heterogens:
PDB Chain Sequences:
>4f4rA (A:) mhhhhhhssgvdlgtenlyfqsmmkirdaytivtcpgrnfvtlkivtesgthgigdatln gremavaayldehvvpaligrdagriedtwqylyrgaywrrgpvtmtaiaavdmalwdik akaagmplyqllggksrervmtyahctgqtiedclgevarhvelgyravrvqsgvpgiet tygvaktpgeryepadsslpaehvwstekylnhapklfaavrerfgddlhvlhdvhhrlt pieaarlgkavepyhlfwledcvpaenqeslrlirehtttplaigevfnsihdcreliqn qwidyirmplthgggitamrrvadlaslyhvrtgfhgptdlspvclgaaihfdtwvpnfg iqehmphtdetdavfphdyrfedghflagespghgvdideelaakypyeraslpvnrled gtlwhw
>4f4rA (A:) yfqsmmkirdaytivtcpgrnfvtlkivtesgthgigdatlngremavaayldehvvpal igrdagriedtwqylyrgaywrrgpvtmtaiaavdmalwdikakaagmplyqllggksre rvmtyahctgqtiedclgevarhvelgyravrvqsgvpgiettygvaktpgeryepadss lpaehvwstekylnhapklfaavrerfgddlhvlhdvhhrltpieaarlgkavepyhlfw ledcvpaenqeslrlirehtttplaigevfnsihdcreliqnqwidyirmplthgggita mrrvadlaslyhvrtgfhgptdlspvclgaaihfdtwvpnfgiqehmphtdetdavfphd yrfedghflagespghgvdideelaakypyeraslpvnrledgtlwhw