Chains and heterogens:
PDB Chain Sequences:
>1bqg_ (-) gapvitdlkvvpvaghdsmllnlsgahgplftrnililtdssghvgvgevpggegirktl edarhllinqsignyqsllnkvrnafadrdvggrglqtfdlriavhavtavesalldllg qhlqvpvaallgegqqrdavemlgylfyvgdrnktdlgyrseheadnewfrlrnkealtp esvvalaeaaydrygfkdfklkggvlrgedeiaavtalserfpdaritldpngawslkea valcrdqhhvlayaedpcgaengysgrevmaefrrstglrtatnmiatdwrqmghaiqlq svdipladphfwtmqgsvrvaqmcnewgltwgshsnnhfdislamfthvaaaapgnitai dthwiwqdgqrltkeplqikgglvevpkkpglgveldwdalmkahevyksm
>1bqg_ (-) gapvitdlkvvpvaghdsmllnlsgahgplftrnililtdssghvgvgevpggegirktl edarhllinqsignyqsllnkvrnafadlriavhavtavesalldllgqhlqvpvaallg egqqrdavemlgylfyvgdrnktdlgyrseheadnewfrlrnkealtpesvvalaeaayd rygfkdfklkggvlrgedeiaavtalserfpdaritldpngawslkeavalcrdqhhvla yaedpcgaengysgrevmaefrrstglrtatnmiatdwrqmghaiqlqsvdipladphfw tmqgsvrvaqmcnewgltwgshsnnhfdislamfthvaaaapgnitaidthwiwqdgqrl tkeplqikgglvevpkkpglgveldwdalmkahevyksm