Chains and heterogens:
PDB Chain Sequences:
>1gk2A (A:) teltlkpgtltlaqlraihaapvrlqldasaapaidasvacveqiiaedrtaygintgfg llastriashdlenlqrslvlshaagigapldddlvrlimvlkinslsrgfsgirrkvid alialvnaevyphiplkgsvgasgdlaplahmslvllgegkarykgqwlsatealavagl epltlaakeglallngtqastayalrglfyaedlyaaaiacgglsveavlgsrspfdari heargqrgqidtaacfrdllgdssevslshknadkvqdpyslrcqpqvmgacltqlrqaa evlgieanavsdnplvfaaegdvisggnghaepvamaadnlalaiaeigslserrislmm dkhmsqlppflvenggvnsgfmiaqvtaaalasenkalshphsvdslptsanqedhvsma paagkrlwemaentrgvlaiewlgacqgldlrkglktsaklekarqalrsevahydrdrf fapdiekavellakgsltgllpagvlpsl
>1gk2B (B:) teltlkpgtltlaqlraihaapvrlqldasaapaidasvacveqiiaedrtaygintgfg llastriashdlenlqrslvlshaagigapldddlvrlimvlkinslsrgfsgirrkvid alialvnaevyphiplkgsvgasgdlaplahmslvllgegkarykgqwlsatealavagl epltlaakeglallngtqastayalrglfyaedlyaaaiacgglsveavlgsrspfdari heargqrgqidtaacfrdllgdssevslshknadkvqdpyslrcqpqvmgacltqlrqaa evlgieanavsdnplvfaaegdvisggnghaepvamaadnlalaiaeigslserrislmm dkhmsqlppflvenggvnsgfmiaqvtaaalasenkalshphsvdslptsanqedhvsma paagkrlwemaentrgvlaiewlgacqgldlrkglktsaklekarqalrsevahydrdrf fapdiekavellakgsltgllpagvlpsl
>1gk2C (C:) teltlkpgtltlaqlraihaapvrlqldasaapaidasvacveqiiaedrtaygintgfg llastriashdlenlqrslvlshaagigapldddlvrlimvlkinslsrgfsgirrkvid alialvnaevyphiplkgsvgasgdlaplahmslvllgegkarykgqwlsatealavagl epltlaakeglallngtqastayalrglfyaedlyaaaiacgglsveavlgsrspfdari heargqrgqidtaacfrdllgdssevslshknadkvqdpyslrcqpqvmgacltqlrqaa evlgieanavsdnplvfaaegdvisggnghaepvamaadnlalaiaeigslserrislmm dkhmsqlppflvenggvnsgfmiaqvtaaalasenkalshphsvdslptsanqedhvsma paagkrlwemaentrgvlaiewlgacqgldlrkglktsaklekarqalrsevahydrdrf fapdiekavellakgsltgllpagvlpsl
>1gk2D (D:) teltlkpgtltlaqlraihaapvrlqldasaapaidasvacveqiiaedrtaygintgfg llastriashdlenlqrslvlshaagigapldddlvrlimvlkinslsrgfsgirrkvid alialvnaevyphiplkgsvgasgdlaplahmslvllgegkarykgqwlsatealavagl epltlaakeglallngtqastayalrglfyaedlyaaaiacgglsveavlgsrspfdari heargqrgqidtaacfrdllgdssevslshknadkvqdpyslrcqpqvmgacltqlrqaa evlgieanavsdnplvfaaegdvisggnghaepvamaadnlalaiaeigslserrislmm dkhmsqlppflvenggvnsgfmiaqvtaaalasenkalshphsvdslptsanqedhvsma paagkrlwemaentrgvlaiewlgacqgldlrkglktsaklekarqalrsevahydrdrf fapdiekavellakgsltgllpagvlpsl