Chains and heterogens:
PDB Chain Sequences:
>2xpkA (A:) vgpktgeenqvlvpnlnptpenlevvgdgfkitssinlvgeeeadenavnalrefltann ieinsendpnsttliigevdddipeldealngttaenlkeegyalvsndgkiaiegkdgd gtfygvqtfkqlvkesnipevnitdyptvsargivegfygtpwthqdrldqikfygenkl ntyiyapkddpyhrekwrepypesemqrmqelinasaenkvdfvfgispgidirfdgdag eedfnhlitkaeslydmgvrsfaiywddiqdksaakhaqvlnrfneefvkakgdvkplit cpteydtgamvsngqpraytrifaetvdpsievmwtgpgvvtneiplsdaqlisgiydrn mavwwnypvtdyfkgklalgpmhgldkglnqyvdfftvnpmehaelskisihtaadyswn mdnydydkawnraidmlygdlaedmkvfanhstrmdnktwaksgredapelrakmdelwn klsskedasalieelygefarmeeacnnlkanlpevaleecsrqldelitlaqgdkasld mivaqlnedteayesakeiaqnklntalssfavisekvaqsfiqealsfdltli
>2xpkA (A:) qvlvpnlnptpenlevvgdgfkitssinlvgeeeadenavnalrefltannieinsendp nsttliigevdddipeldealngttaenlkeegyalvsndgkiaiegkdgdgtfygvqtf kqlvkesnipevnitdyptvsargivegfygtpwthqdrldqikfygenklntyiyapkd dpyhrekwrepypesemqrmqelinasaenkvdfvfgispgidirfdgdageedfnhlit kaeslydmgvrsfaiywddiqdksaakhaqvlnrfneefvkakgdvkplitcpteydtga mvsngqpraytrifaetvdpsievmwtgpgvvtneiplsdaqlisgiydrnmavwwnypv tdyfkgklalgpmhgldkglnqyvdfftvnpmehaelskisihtaadyswnmdnydydka wnraidmlygdlaedmkvfanhstrmdnktwaksgredapelrakmdelwnklsskedas alieelygefarmeeacnnlkanlpevaleecsrqldelitlaqgdkasldmivaqlned teayesakeiaqnklntalssfavisekvaqsfiqealsfdltli
>2xpkB (B:) vgpktgeenqvlvpnlnptpenlevvgdgfkitssinlvgeeeadenavnalrefltann ieinsendpnsttliigevdddipeldealngttaenlkeegyalvsndgkiaiegkdgd gtfygvqtfkqlvkesnipevnitdyptvsargivegfygtpwthqdrldqikfygenkl ntyiyapkddpyhrekwrepypesemqrmqelinasaenkvdfvfgispgidirfdgdag eedfnhlitkaeslydmgvrsfaiywddiqdksaakhaqvlnrfneefvkakgdvkplit cpteydtgamvsngqpraytrifaetvdpsievmwtgpgvvtneiplsdaqlisgiydrn mavwwnypvtdyfkgklalgpmhgldkglnqyvdfftvnpmehaelskisihtaadyswn mdnydydkawnraidmlygdlaedmkvfanhstrmdnktwaksgredapelrakmdelwn klsskedasalieelygefarmeeacnnlkanlpevaleecsrqldelitlaqgdkasld mivaqlnedteayesakeiaqnklntalssfavisekvaqsfiqealsfdltli
>2xpkB (B:) qvlvpnlnptpenlevvgdgfkitssinlvgeeeadenavnalrefltannieinsendp nsttliigevdddipeldealngttaenlkeegyalvsndgkiaiegkdgdgtfygvqtf kqlvkesnipevnitdyptvsargivegfygtpwthqdrldqikfygenklntyiyapkd dpyhrekwrepypesemqrmqelinasaenkvdfvfgispgidirfdgdageedfnhlit kaeslydmgvrsfaiywddiqdksaakhaqvlnrfneefvkakgdvkplitcpteydtga mvsngqpraytrifaetvdpsievmwtgpgvvtneiplsdaqlisgiydrnmavwwnypv tdyfkgklalgpmhgldkglnqyvdfftvnpmehaelskisihtaadyswnmdnydydka wnraidmlygdlaedmkvfanhstrmdnktwaksgredapelrakmdelwnklsskedas alieelygefarmeeacnnlkanlpevaleecsrqldelitlaqgdkasldmivaqlned teayesakeiaqnklntalssfavisekvaqsfiqealsfdltli