Chains and heterogens:
PDB Chain Sequences:
>6xalA (A:) vtttatltypfhdwsqelspryaqlrasdapvcpvvsegtgdplwlvtryatavklleds rfsseaaqasgaprqepvelrapgtrgdaiamlreaglrsvladglgpravrrhqgwind laetlmselasregtfdlaadfveplssalvsrtllgelsaderdllahcadtglrfcgv theeqvhaftqmheffleharrlagtpgehllkliaeapvdqgplsdealaeagsllvva gfptssgflcgalltllrhpdavqelhahpervpsaveellrytplstgsvkrmatedle idgvrikagevvmvsleavnhdpdafedpdvfrpgregpmhfgfgrgrhfcpgnrlarcv ieatvravarrpglrlavapeeiswheglffrrpraipatw
>6xalA (A:) tatltypfhdwsqelspryaqlrasdapvcpvvsegtgdplwlvtryatavklledsrfs seaaqasgaprqepvelrapgtrgdaiamlreaglrsvladglgpravrrhqgwindlae tlmselasregtfdlaadfveplssalvsrtllgelsaderdllahcadtglrfcgvthe eqvhaftqmheffleharrlagtpgehllkliaeagplsdealaeagsllvvagfptssg flcgalltllrhpdavqelhahpervpsaveellrytplstgsvkrmatedleidgvrik agevvmvsleavnhdpdafedpdvfrpgregpmhfgfgrgrhfcpgnrlarcvieatvra varrpglrlavapeeiswheglffrrpraipatw