Chains and heterogens:
PDB Chain Sequences:
>1bp3A (A:) fptiplsrlfdnamlrahrlhqlafdtyqefeeayipkeqkysflqnpqtslcfsesipt psnreetqqksnlellrisllliqswlepvqflrsvfanslvygasdsnvydllkdleer iqtlmgrledgsprtgqifkqtyskfdtnshnddallknygllycfrkdmdkvetflriv qcrsvegscg
>1bp3A (A:) fptiplsrlfdnamlrahrlhqlafdtyqefeeayipkeqkysflqnpqtslcfsesipt psnreetqqksnlellrisllliqswlepvqflrsvfanslvygasdsnvydllkdleer iqtlmgrledgsprtgqifkqtyskfdtddallknygllycfrkdmdkvetflrivqcrs vegscg
>1bp3B (B:) lppgkpeifkcrspnketftcwwrpgtdgglptnysltyhregetlmhecpdyitggpns chfgkqytsmwrtyimmvnatnqmgssfsdelyvdvtyivqpdpplelavevkqpedrkp ylwikwspptlidlktgwftllyeirlkpekaaeweihfagqqtefkilslhpgqkylvq vrckpdhgywsawspatfiqips
>1bp3B (B:) lppgkpeifkcrspnketftcwwrpgtdgtnysltyhregetlmhecpdyitggpnschf gkqytsmwrtyimmvnatnssfsdelyvdvtyivqpdpplelavevkqpedrkpylwikw spptlidlktgwftllyeirlkpekaaeweihfagqqtefkilslhpgqkylvqvrckpd hgywsawspatfiqips