Chains and heterogens:
PDB Chain Sequences:
>1pkgA (A:) qkpmyevqwkvveeingnnyvyidptqlpydhkwefprnrlsfgktlgagafgkvveata ygliksdaamtvavkmlkpsahlterealmselkvlsylgnhmnivnllgactiggptlv iteyccygdllnflrrkrdsficsktspaimeddelaldledllsfsyqvakgmaflask ncihrdlaarnillthgritkicdfglardikndsnyvvkgnarlpvkwmapesifncvy tfesdvwsygiflwelfslgsspypgmpvdskfykmikegfrmlspehapaemydimktc wdadplkrptfkqivqliekqisestnhi
>1pkgA (A:) nyvyidptqlpydhkwefprnrlsfgktlgagafgkvveataygliksdaamtvavkmlk psahlterealmselkvlsylgnhmnivnllgactiggptlviteyccygdllnflrrkr dsficskaldledllsfsyqvakgmaflaskncihrdlaarnillthgritkicdfglar dikndsnyvvkgnarlpvkwmapesifncvytfesdvwsygiflwelfslgsspypgmpv dskfykmikegfrmlspehapaemydimktcwdadplkrptfkqivqliekq
>1pkgB (B:) qkpmyevqwkvveeingnnyvyidptqlpydhkwefprnrlsfgktlgagafgkvveata ygliksdaamtvavkmlkpsahlterealmselkvlsylgnhmnivnllgactiggptlv iteyccygdllnflrrkrdsficsktspaimeddelaldledllsfsyqvakgmaflask ncihrdlaarnillthgritkicdfglardikndsnyvvkgnarlpvkwmapesifncvy tfesdvwsygiflwelfslgsspypgmpvdskfykmikegfrmlspehapaemydimktc wdadplkrptfkqivqliekqisestnhi
>1pkgB (B:) nnyvyidptqlpydhkwefprnrlsfgktlgagafgkvveataygliksdaamtvavkml kpsahlterealmselkvlsylgnhmnivnllgactiggptlviteyccygdllnflrrk rdsficldledllsfsyqvakgmaflaskncihrdlaarnillthgritkicdfglardr lpvkwmapesifncvytfesdvwsygiflwelfslgsspypgmpvdskfykmikegfrml spehapaemydimktcwdadplkrptfkqivqliekqis