Chains and heterogens:
PDB Chain Sequences:
>2b7bA (A:) mgkekshinvvvighvdsgkstttghliykcggidkrtiekfekeaaelgkgsfkyawvl dklkaerergitidialwkfetpkyqvtvidapghrdfiknmitgtsqadcailiiaggv gefeagiskdgqtrehallaftlgvrqlivavnkmdsvkwdesrfqeivketsnfikkvg ynpktvpfvpisgwngdnmieattnapwykgweketkagvvkgktlleaidaieqpsrpt dkplrlplqdvykiggigtvpvgrvetgvikpgmvvtfapagvttevksvemhheqleqg vpgdnvgfnvknvsvkeirrgnvcgdakndppkgcasfnatvivlnhpgqisagyspvld chtahiacrfdellekndrrsgkkledhpkflksgdaalvkfvpskpmcveafseypplg rfavrdmrqtvavgviksvdktekaakvtkaaqkaakk
>2b7bA (A:) gkekshinvvvighvdsgkstttghliykcggidkrtiekfekeaaelgkgsfkyawvld klkaerergitidialwkfetpkyqvtvidapghrdfiknmitgtsqadcailiiaggvg efeagiskdgqtrehallaftlgvrqlivavnkmdsvkwdesrfqeivketsnfikkvgy npktvpfvpisgwngdnmieattnapwykgweketkagvvkgktlleaidaieqpsrptd kplrlplqdvykiggigtvpvgrvetgvikpgmvvtfapagvttevksvemhheqleqgv pgdnvgfnvknvsvkeirrgnvcgdakndppkgcasfnatvivlnhpgqisagyspvldc htahiacrfdellekndrrsgkkledhpkflksgdaalvkfvpskpmcveafseypplgr favrdmrqtvavgviksvdk
>2b7bB (B:) kpakpaaksivtldvkpwddetnleemvanvkaiemegltwgahqfipigfgikklqinc vveddkvslddlqqsieededhvqstdiaamqal
>2b7bB (B:) paaksivtldvkpwddetnleemvanvkaiemegltwgahqfipigfgikklqincvved dkvslddlqqsieededhvqstdiaamqal