Chains and heterogens:
PDB Chain Sequences:
>1fnnA (A:) maivvddsvfspsyvpkrlphreqqlqqldillgnwlrnpghhypratllgrpgtgktvt lrklwelykdkttarfvyingfiyrnftaiigeiarslnipfprrglsrdeflallvehl rerdlymflvlddafnlapdilstfirlgqeadklgafrialvivghndavlnnldpstr gimgkyvirfspytkdqifdilldrakaglaegsysedilqmiaditgaqtpldtnrgda rlaidilyrsayaaqqngrkhiapedvrksskevlfgiseevliglplheklfllaivrs lkishtpyitfgdaeesykivceeygerprvhsqlwsylndlrekgivetrqnkrgegvr grttlisigtepldtleavitklikeelr
>1fnnA (A:) aivvddsvfspsyvpkrlphreqqlqqldillgnwlrnpghhypratllgrpgtgktvtl rklwelykdkttarfvyingfiyrnftaiigeiarslnipfprrglsrdeflallvehlr erdlymflvlddafnlapdilstfirlgqeadklgafrialvivghndavlnnldpstrg imgkyvirfspytkdqifdilldrakaglaegsysedilqmiaditgaqtpldtnrgdar laidilyrsayaaqqngrkhiapedvrksskevlfgiseevliglplheklfllaivrsl kishtpyitfgdaeesykivceeygerprvhsqlwsylndlrekgivetrqnttlisigt epldtleavitklikeelr
>1fnnB (B:) maivvddsvfspsyvpkrlphreqqlqqldillgnwlrnpghhypratllgrpgtgktvt lrklwelykdkttarfvyingfiyrnftaiigeiarslnipfprrglsrdeflallvehl rerdlymflvlddafnlapdilstfirlgqeadklgafrialvivghndavlnnldpstr gimgkyvirfspytkdqifdilldrakaglaegsysedilqmiaditgaqtpldtnrgda rlaidilyrsayaaqqngrkhiapedvrksskevlfgiseevliglplheklfllaivrs lkishtpyitfgdaeesykivceeygerprvhsqlwsylndlrekgivetrqnkrgegvr grttlisigtepldtleavitklikeelr
>1fnnB (B:) aivvddsvfspsyvpkrlphreqqlqqldillgnwlrnpghhypratllgrpgtgktvtl rklwelykdkttarfvyingfiyrnftaiigeiarslnipfprrglsrdeflallvehlr erdlymflvlddafnlapdilstfirlgqeadklgafrialvivghndavlnnldpstrg imgkyvirfspytkdqifdilldrakaglaegsysedilqmiaditgaqtpldtnrgdar laidilyrsayaaqqngrkhiapedvrksskevlfgiseevliglplheklfllaivrsl kishtpyitfgdaeesykivceeygerprvhsqlwsylndlrekgivetrqnttlisigt epldtleavitklikeelr