Chains and heterogens:
PDB Chain Sequences:
>2iiqA (A:) mktitlyldpaslpalnqlmdftqnnedkthprifglsrfkipdniitqyqnihfvelkd nrptealftildqypgnielnihlniahsvqlirpilayrfkhldrvsiqqlnlyddgsm eyvdlekeenkdisaeikqaekqlshylltgkikfdnptiaryvwqsafpvkyhflstdy fekaeflqplkeylaenyqkmdwtayqqltpeqqafyltlvgfndevkqslevqqakfif tgtttwegntdvreyyaqqqlnllnhftqaegdlfigdhykiyfkghprggeindyilnn aknitnipanisfevlmmtgllpdkvggvasslyfslpkekishiiftsnkqvkskedal nnpyvkvmrrlgiidesqvifwdslkqlggglehhhhhh
>2iiqA (A:) mktitlyldpaslpalnqlmdftqnnedkthprifglsrfkipdniitqyqnihfvelkd nrptealftildqypgnielnihlniahsvqlirpilayrfkhldrvsiqqlnlyddgsm eyvdlekeenkdisaeikqaekqlshylltgkikfdnptiaryvwqsafpvkyhflstdy fekaeflqplkeylaenyqkmdwtayqqltpeqqafyltlvgfndevkqslevqqakfif tgtttwegntdvreyyaqqqlnllnhftqaegdlfigdhykiyfkghprggeindyilnn aknitnipanisfevlmmtgllpdkvggvasslyfslpkekishiiftsnkqvkskedal nnpyvkvmrrlgiidesqvifwdslkql
>2iiqB (B:) mktitlyldpaslpalnqlmdftqnnedkthprifglsrfkipdniitqyqnihfvelkd nrptealftildqypgnielnihlniahsvqlirpilayrfkhldrvsiqqlnlyddgsm eyvdlekeenkdisaeikqaekqlshylltgkikfdnptiaryvwqsafpvkyhflstdy fekaeflqplkeylaenyqkmdwtayqqltpeqqafyltlvgfndevkqslevqqakfif tgtttwegntdvreyyaqqqlnllnhftqaegdlfigdhykiyfkghprggeindyilnn aknitnipanisfevlmmtgllpdkvggvasslyfslpkekishiiftsnkqvkskedal nnpyvkvmrrlgiidesqvifwdslkqlggglehhhhhh
>2iiqB (B:) mktitlyldpaslpalnqlmdftqnnedkthprifglsrfkipdniitqyqnihfvelkd nrptealftildqypgnielnihlniahsvqlirpilayrfkhldrvsiqqlnlyddgsm eyvdlekeenkdisaeikqaekqlshylltgkikfdnptiaryvwqsafpvkyhflstdy fekaeflqplkeylaenyqkmdwtayqqltpeqqafyltlvgfndevkqslevqqakfif tgtttwegntdvreyyaqqqlnllnhftqaegdlfigdhykiyfkghprggeindyilnn aknitnipanisfevlmmtgllpdkvggvasslyfslpkekishiiftsnkqvkskedal nnpyvkvmrrlgiidesqvifwdslkql