Chains and heterogens:
PDB Chain Sequences:
>1cp9A (A:) estqikierdnygvphiyandtyslfygygyavaqdrlfqmemakrstqgtvsevfgkdy isfdkeirnnywpdsihkqinqlpsqeqdilrgyadgmnawikqintkpddlmpkqfidy dflpsqwtsfdvamimvgtlanrfsdmnseidnlalltalkdkygeqlgveffnqinwln npnapttisseeftysd
>1cp9B (B:) snvwlvgktkasgakaillngpqfgwfnpaytygiglhgagfnivgntpfaypailfghn ghvswgstagfgdgvdifaeqvspedpnsylhqgqwkkmlsrqetlnvkgeqpitfeiyr tvhgnvvkrdktthtayskarawdgkeltslmawvkqgqaqnwqqwldqaqnqaltinwy yadkdgnigyvhtghypdrqinhdprlpvsgtgewdwkgiqpfannpkvynpksgyianw nnspaknypasdlfaflwgsadrvkeidnrieaydkltaddmwailqqtsrvdlnhrlft pfltqatqglpsndnsvklvsmlqqwdginqlssdgkhyihpgsaildiwlkemlkatlg qtvpapfdkwylasgyettqegptgslnistgakllyeslledkspisqsidlfsgqpqn dvirktlnttyqkmiekygdnpanwqtpataltfrennffgipqalpqenfhqneyhnrg tendlivfteegvsawdvvapgqsgfispqgkpsphyqdqlslyqqfgkkplwlnsedva pyiestetliier