Chains and heterogens:
PDB Chain Sequences:
>2fn7A (A:) mierrkiavigsgqiggniayivgkdnladvvlfdiaegipqgkaldithsmvmfgstsk vigtndyadisgsdvviitasipgrpkddrsellfgnarildsvaegvkkycpnafvici tnpldvmvshfqkvsglphnkvcgmagvldssrfrtfiaqhfgvnasdvsanvigghgdg mvpatssvsvggvplssfikqglitqeqideivchtriawkevadnlktgtayfapaaaa vkmaeaylkdkkavvpcsafcsnhygvkgiymgvptiigkngvedileldltpleqkllg esinevntiskvldnapaaga
>2fn7A (A:) mierrkiavigsgqiggniayivgkdnladvvlfdiaegipqgkaldithsmvmfgstsk vigtndyadisgsdvviitasipgrpkddrsellfgnarildsvaegvkkycpnafvici tnpldvmvshfqkvsglphnkvcgmagvldssrfrtfiaqhfgvnasdvsanvigghgdg mvpatssvsvggvplssfikqglitqeqideivchtriawkevadnlktgtayfapaaaa vkmaeaylkdkkavvpcsafcsnhygvkgiymgvptiigkngvedileldltpleqkllg esinevntiskvldnap
>2fn7B (B:) mierrkiavigsgqiggniayivgkdnladvvlfdiaegipqgkaldithsmvmfgstsk vigtndyadisgsdvviitasipgrpkddrsellfgnarildsvaegvkkycpnafvici tnpldvmvshfqkvsglphnkvcgmagvldssrfrtfiaqhfgvnasdvsanvigghgdg mvpatssvsvggvplssfikqglitqeqideivchtriawkevadnlktgtayfapaaaa vkmaeaylkdkkavvpcsafcsnhygvkgiymgvptiigkngvedileldltpleqkllg esinevntiskvldnapaaga
>2fn7B (B:) mierrkiavigsgqiggniayivgkdnladvvlfdiaegipqgkaldithsmvmfgstsk vigtndyadisgsdvviitasipgrpkddrsellfgnarildsvaegvkkycpnafvici tnpldvmvshfqkvsglphnkvcgmagvldssrfrtfiaqhfgvnasdvsanvigghgdg mvpatssvsvggvplssfikqglitqeqideivchtriawkevadnlktgtayfapaaaa vkmaeaylkdkkavvpcsafcsnhygvkgiymgvptiigkngvedileldltpleqkllg esinevntiskvldnap