Chains and heterogens:
PDB Chain Sequences:
>3pxkA (A:) gsgstrdyeiqrerielgrcigegqfgdvhqgiymspenpalavaiktcknctsdsvrek flqealtmrqfdhphivkligvitenpvwiimelctlgelrsflqvrkysldlaslilya yqlstalayleskrfvhrdiaarnvlvssndcvklgdfglsrymedstyykaskgklpik wmapesinfrrftsasdvwmfgvcmweilmhgvkpfqgvknndvigriengerlpmppnc pptlyslmtkcwaydpsrrprftelkaqlstileeekaqqee
>3pxkA (A:) yeiqrerielgrcigegqfgdvhqgiymspenpalavaiktcknctsdsvrekflqealt mrqfdhphivkligvitenpvwiimelctlgelrsflqvrkysldlaslilyayqlstal ayleskrfvhrdiaarnvlvssndcvklgdfglpikwmapesinfrrftsasdvwmfgvc mweilmhgvkpfqgvknndvigriengerlpmppncpptlyslmtkcwaydpsrrprfte lkaqlstileeekaqq
>3pxkB (B:) gsgstrdyeiqrerielgrcigegqfgdvhqgiymspenpalavaiktcknctsdsvrek flqealtmrqfdhphivkligvitenpvwiimelctlgelrsflqvrkysldlaslilya yqlstalayleskrfvhrdiaarnvlvssndcvklgdfglsrymedstyykaskgklpik wmapesinfrrftsasdvwmfgvcmweilmhgvkpfqgvknndvigriengerlpmppnc pptlyslmtkcwaydpsrrprftelkaqlstileeekaqqee
>3pxkB (B:) dyeiqrerielgrcigegqfgdvhqgiymspenpalavaiktcknctsdsvrekflqeal tmrqfdhphivkligvitenpvwiimelctlgelrsflqvrkysldlaslilyayqlsta layleskrfvhrdiaarnvlvssndcvklgdfgllpikwmapesinfrrftsasdvwmfg vcmweilmhgvkpfqgvknndvigriengerlpmppncpptlyslmtkcwaydpsrrprf telkaqlstileeekaqq