Chains and heterogens:
PDB Chain Sequences:
>1bp3A (A:) fptiplsrlfdnamlrahrlhqlafdtyqefeeayipkeqkysflqnpqtslcfsesipt psnreetqqksnlellrisllliqswlepvqflrsvfanslvygasdsnvydllkdleer iqtlmgrledgsprtgqifkqtyskfdtnshnddallknygllycfrkdmdkvetflriv qcrsvegscgf
>1bp3A (A:) fptiplsrlfdnamlrahrlhqlafdtyqefeeayipkeqkysflqnpqtslcfsesipt psnreetqqksnlellrisllliqswlepvqflrsvfanslvygasdsnvydllkdleer iqtlmgrledgsprtgqifkqtyskfdtddallknygllycfrkdmdkvetflrivqcrs vegscg
>1bp3B (B:) qlppgkpeifkcrspnketftcwwrpgtdgglptnysltyhregetlmhecpdyitggpn schfgkqytsmwrtyimmvnatnqmgssfsdelyvdvtyivqpdpplelavevkqpedrk pylwikwspptlidlktgwftllyeirlkpekaaeweihfagqqtefkilslhpgqkylv qvrckpdhgywsawspatfiqipsdftmndt
>1bp3B (B:) lppgkpeifkcrspnketftcwwrpgtdgtnysltyhregetlmhecpdyitggpnschf gkqytsmwrtyimmvnatnssfsdelyvdvtyivqpdpplelavevkqpedrkpylwikw spptlidlktgwftllyeirlkpekaaeweihfagqqtefkilslhpgqkylvqvrckpd hgywsawspatfiqips