Chains and heterogens:
PDB Chain Sequences:
>1pknA (A:) skshseagsafiqtqqlhaamadtflehmcrldidsapitarntgiictigpasrsvetl kemiksgmnvarmnfshgtheyhaetiknvrtatesfasdpilyrpvavaldtkgpeirt glikgsgtaevelkkgatlkitldnaymaacdenilwldyknickvvevgskvyvddgli slqvkqkgpdflvtevenggflgskkgvnlpgaavdlpavsekdiqdlkfgvdedvdmvf asfirkaadvhevrkilgekgknikiiskienhegvrrfdeileasdgimvargdlgiei paekvflaqkmiigrcnragkpvicatqmlesmikkprptraegsdvanavldgadciml sgetakgdypleavrmqhliareaeaamfhrklfeelarssshstdlmeamamgsveasy kclaaalivltesgrsahqvaryrprapiiavtrnhqtarqahlyrgifpvvckdpvqea waedvdlrvnlamnvgkaagffkkgdvvivltgwrpgsgftntmrvvpvp
>1pknA (A:) iqtqqlhaamadtflehmcrldidsapitarntgiictigpasrsvetlkemiksgmnva rmnfshgtheyhaetiknvrtatesfasdpilyrpvavaldtkgpeirtglikgselkkg atlkitldnaymaacdenilwldyknickvvevgskvyvddglislqvkqkgpdflvtev enggflgskkgvnlpgaavdlpavsekdiqdlkfgvdedvdmvfasfirkaadvhevrki lgekgknikiiskienhegvrrfdeileasdgimvargdlgieipaekvflaqkmiigrc nragkpvicatqmlesmikkprptraegsdvanavldgadcimlsgetakgdypleavrm qhliareaeaamfhrklfeelarssshstdlmeamamgsveasykclaaalivltesgrs ahqvaryrprapiiavtrnhqtarqahlyrgifpvvckdpvqeawaedvdlrvnlamnvg kaagffkkgdvvivltgwrpgsgftntmrvvpvp