Chains and heterogens:
PDB Chain Sequences:
>3e7sA (A:) nsptltrppegpkfprvknwelgsitydtlcaqsqqdgpctprrclgslvlprklqtrps pgpppaeqllsqardfinqyyssikrsgsqaheerlqeveaevastgtyhlreselvfga kqawrnaprcvgriqwgklqvfdardcssaqemftyicnhikyatnrgnlrsaitvfpqr apgrgdfriwnsqlvryagyrqqdgsvrgdpanveitelciqhgwtpgngrfdvlplllq apdeapelfvlppelvlevplehptlewfaalglrwyalpavsnmlleigglefsaapfs gwymsteigtrnlcdphryniledvavcmdldtrttsslwkdkaaveinlavlhsfqlak vtivdhhaatvsfmkhldneqkarggcpadwawivppisgsltpvfhqemvnyilspafr yqpdpwkgsat
>3e7sA (A:) rppegpkfprvknwelgsitydtlcaqsqqdgpctprrclgslvlprkeqllsqardfin qyyssikrsgsqaheerlevastgtyhlreselvfgakqawrnaprcvgriqwgklqvfd ardcssaqemftyicnhikyatnrgnlrsaitvfpqrapgrgdfriwnsqlvryagyrqq dgsvrgdpanveitelciqhgwtpgngrfdvlplllqapdeapelfvlppelvlevpleh ptlewfaalglrwyalpavsnmlleigglefsaapfsgwymsteigtrnlcdphrynile dvavcmdldtrttsslwkdkaaveinlavlhsfqlakvtivdhhaatvsfmkhldneqka rggcpadwawivppisgsltpvfhqemvnyilspafryqpdpw
>3e7sB (B:) nsptltrppegpkfprvknwelgsitydtlcaqsqqdgpctprrclgslvlprklqtrps pgpppaeqllsqardfinqyyssikrsgsqaheerlqeveaevastgtyhlreselvfga kqawrnaprcvgriqwgklqvfdardcssaqemftyicnhikyatnrgnlrsaitvfpqr apgrgdfriwnsqlvryagyrqqdgsvrgdpanveitelciqhgwtpgngrfdvlplllq apdeapelfvlppelvlevplehptlewfaalglrwyalpavsnmlleigglefsaapfs gwymsteigtrnlcdphryniledvavcmdldtrttsslwkdkaaveinlavlhsfqlak vtivdhhaatvsfmkhldneqkarggcpadwawivppisgsltpvfhqemvnyilspafr yqpdpwkgsat
>3e7sB (B:) gpkfprvknwelgsitydtlcaqsqqdgpctprrclgslvlprklppaeqllsqardfin qyyssikrsgsqaheerlqeveaevastgtyhlreselvfgakqawrnaprcvgriqwgk lqvfdardcssaqemftyicnhikyatnrgnlrsaitvfpqrapgrgdfriwnsqlvrya gyrqqdgsvrgdpanveitelciqhgwtpgngrfdvlplllqapdeapelfvlppelvle vplehptlewfaalglrwyalpavsnmlleigglefsaapfsgwymsteigtrnlcdphr yniledvavcmdldtrttsslwkdkaaveinlavlhsfqlakvtivdhhaatvsfmkhld neqkarggcpadwawivppisgsltpvfhqemvnyilspafryqpdpwk