Chains and heterogens:
PDB Chain Sequences:
>1kx3A (A:) artkqtarkstggkaprkqlatkaarksapatggvkkphryrpgtvalreirryqkstel lirklpfqrlvreiaqdfktdlrfqssavmalqeaseaylvalfedtnlcaihakrvtim pkdiqlarrirgera
>1kx3A (A:) phryrpgtvalreirryqkstellirklpfqrlvreiaqdfktdlrfqssavmalqease aylvalfedtnlcaihakrvtimpkdiqlarrirgera
>1kx3B (B:) sgrgkggkglgkggakrhrkvlrdniqgitkpairrlarrggvkrisgliyeetrgvlkv flenvirdavtytehakrktvtamdvvyalkrqgrtlygfgg
>1kx3B (B:) vlrdniqgitkpairrlarrggvkrisgliyeetrgvlkvflenvirdavtytehakrkt vtamdvvyalkrqgrtlygfgg
>1kx3C (C:) sgrgkqggktrakaktrssraglqfpvgrvhrllrkgnyaervgagapvylaavleylta eilelagnaardnkktriiprhlqlavrndeelnkllgrvtiaqggvlpniqsvllpkkt essksksk
>1kx3C (C:) aktrssraglqfpvgrvhrllrkgnyaervgagapvylaavleyltaeilelagnaardn kktriiprhlqlavrndeelnkllgrvtiaqggvlpniqsvllpkkt
>1kx3D (D:) pepaksapapkkgskkavtktqkkdgkkrrktrkesyaiyvykvlkqvhpdtgisskams imnsfvndvferiageasrlahynkrstitsreiqtavrlllpgelakhavsegtkavtk ytsak
>1kx3D (D:) trkesyaiyvykvlkqvhpdtgisskamsimnsfvndvferiageasrlahynkrstits reiqtavrlllpgelakhavsegtkavtkytsak
>1kx3E (E:) artkqtarkstggkaprkqlatkaarksapatggvkkphryrpgtvalreirryqkstel lirklpfqrlvreiaqdfktdlrfqssavmalqeaseaylvalfedtnlcaihakrvtim pkdiqlarrirgera
>1kx3E (E:) phryrpgtvalreirryqkstellirklpfqrlvreiaqdfktdlrfqssavmalqease aylvalfedtnlcaihakrvtimpkdiqlarrirgera
>1kx3F (F:) sgrgkggkglgkggakrhrkvlrdniqgitkpairrlarrggvkrisgliyeetrgvlkv flenvirdavtytehakrktvtamdvvyalkrqgrtlygfgg
>1kx3F (F:) krhrkvlrdniqgitkpairrlarrggvkrisgliyeetrgvlkvflenvirdavtyteh akrktvtamdvvyalkrqgrtlygfgg
>1kx3G (G:) sgrgkqggktrakaktrssraglqfpvgrvhrllrkgnyaervgagapvylaavleylta eilelagnaardnkktriiprhlqlavrndeelnkllgrvtiaqggvlpniqsvllpkkt essksksk
>1kx3G (G:) aktrssraglqfpvgrvhrllrkgnyaervgagapvylaavleyltaeilelagnaardn kktriiprhlqlavrndeelnkllgrvtiaqggvlpniqsvllpkk
>1kx3H (H:) pepaksapapkkgskkavtktqkkdgkkrrktrkesyaiyvykvlkqvhpdtgisskams imnsfvndvferiageasrlahynkrstitsreiqtavrlllpgelakhavsegtkavtk ytsak
>1kx3H (H:) trkesyaiyvykvlkqvhpdtgisskamsimnsfvndvferiageasrlahynkrstits reiqtavrlllpgelakhavsegtkavtkytsak