Chains and heterogens:
PDB Chain Sequences:
>2b7cA (A:) mgkekshinvvvighvdsgkstttghliykcggidkrtiekfekeaaelgkgsfkyawvl dklkaerergitidialwkfetpkyqvtvidapghrdfiknmitgtsqadcailiiaggv gefeagiskdgqtrehallaftlgvrqlivavnkmdsvkwdesrfqeivketsnfikkvg ynpktvpfvpisgwngdnmieattnapwykgweketkagvvkgktlleaidaieqpsrpt dkplrlplqdvykiggigtvpvgrvetgvikpgmvvtfapagvttevksvemhheqleqg vpgdnvgfnvknvsvkeirrgnvcgdakndppkgcasfnatvivlnhpgqisagyspvld chtahiacrfdellekndrrsgkkledhpkflksgdaalvkfvpskpmcveafseypplg rfavrdmrqtvavgviksvdktekaakvtkaaqkaakk
>2b7cA (A:) kshinvvvighvdsgkstttghliykcggidkrtiekfekeaaelgkgsfkyawvldklk aerergitidialwkfetpkyqvtvidapghrdfiknmitgtsqadcailiiaggvgefe agiskdgqtrehallaftlgvrqlivavnkmdsvkwdesrfqeivketsnfikkvgynpk tvpfvpisgwngdnmieattnapwykgweketkagvvkgktlleaidaieqpsrptdkpl rlplqdvykiggigtvpvgrvetgvikpgmvvtfapagvttevksvemhheqleqgvpgd nvgfnvknvsvkeirrgnvcgdakndppkgcasfnatvivlnhpgqisagyspvldchta hiacrfdellekndrrsgkkledhpkflksgdaalvkfvpskpmcveafseypplgrfav rdmrqtvavgviksvdk
>2b7cB (B:) kpakpaaksivtldvkpwddetnleemvanvkaiemegltwgahqfipigfgikklqinc vveddkvslddlqqsieededhvqstdiaamqal
>2b7cB (B:) paaksivtldvkpwddetnleemvanvkaiemegltwgahqfipigfgikklqincvved dkvslddlqqsieededhvqstdiaamqal