Chains and heterogens:
PDB Chain Sequences:
>1fv3A (A:) mgsshhhhhhssglvprgshmknldcwvdneedidvilkkstilnldinndiisdisgfn ssvitypdaqlvpgingkaihlvnnessevivhkamdieyndmfnnftvsfwlrvpkvsa shleqygtneysiissmkkhslsigsgwsvslkgnnliwtlkdsagevrqitfrdlpdkf naylankwvfititndrlssanlyingvlmgsaeitglgairednnitlkldrcnnnnqy vsidkfrifckalnpkeieklytsylsitflrdfwgnplrydteyylipvassskdvqlk nitdymyltnapsytngklniyyrrlynglkfiikrytpnneidsfvksgdfiklyvsyn nnehivgypkdgnafnnldrilrvgynapgiplykkmeavklrdlktysvqlklyddkna slglvgthngqigndpnrdiliasnwyfnhlkdkilgcdwyfvptdegwtnd
>1fv3A (A:) knldcwvdneedidvilkkstilnldinndiisdisgfnssvitypdaqlvpgingkaih lvnnessevivhkamdieyndmfnnftvsfwlrvpkvsashleqygtneysiissmkkhs lsigsgwsvslkgnnliwtlkdsagevrqitfrdlpdkfnaylankwvfititndrlssa nlyingvlmgsaeitglgairednnitlkldrcnnnnqyvsidkfrifckalnpkeiekl ytsylsitflrdfwgnplrydteyylipvassskdvqlknitdymyltnapsytngklni yyrrlynglkfiikrytpnneidsfvksgdfiklyvsynnnehivgypkdgnafnnldri lrvgynapgiplykkmeavklrdlktysvqlklyddknaslglvgthngqigndpnrdil iasnwyfnhlkdkilgcdwyfvptdegwtnd
>1fv3B (B:) mgsshhhhhhssglvprgshmknldcwvdneedidvilkkstilnldinndiisdisgfn ssvitypdaqlvpgingkaihlvnnessevivhkamdieyndmfnnftvsfwlrvpkvsa shleqygtneysiissmkkhslsigsgwsvslkgnnliwtlkdsagevrqitfrdlpdkf naylankwvfititndrlssanlyingvlmgsaeitglgairednnitlkldrcnnnnqy vsidkfrifckalnpkeieklytsylsitflrdfwgnplrydteyylipvassskdvqlk nitdymyltnapsytngklniyyrrlynglkfiikrytpnneidsfvksgdfiklyvsyn nnehivgypkdgnafnnldrilrvgynapgiplykkmeavklrdlktysvqlklyddkna slglvgthngqigndpnrdiliasnwyfnhlkdkilgcdwyfvptdegwtnd
>1fv3B (B:) knldcwvdneedidvilkkstilnldinndiisdisgfnssvitypdaqlvpgingkaih lvnnessevivhkamdieyndmfnnftvsfwlrvpkvsashleqygtneysiissmkkhs lsigsgwsvslkgnnliwtlkdsagevrqitfrdlpdkfnaylankwvfititndrlssa nlyingvlmgsaeitglgairednnitlkldrcnnnnqyvsidkfrifckalnpkeiekl ytsylsitflrdfwgnplrydteyylipvassskdvqlknitdymyltnapsytngklni yyrrlynglkfiikrytpnneidsfvksgdfiklyvsynnnehivgypkdgnafnnldri lrvgynapgiplykkmeavklrdlktysvqlklyddknaslglvgthngqigndpnrdil iasnwyfnhlkdkilgcdwyfvptdegwtnd