Chains and heterogens:
PDB Chain Sequences:
>4nseA (A:) gpkfprvknwelgsitydtlcaqsqqdgpctprrclgslvlprklqtrpspgpppaeqll sqardfinqyyssikrsgsqaheerlqeveaevastgtyhlreselvfgakqawrnaprc vgriqwgklqvfdardcssaqemftyicnhikyatnrgnlrsaitvfpqrapgrgdfriw nsqlvryagyrqqdgsvrgdpanveitelciqhgwtpgngrfdvlplllqapdeapelfv lppelvlevplehptlewfaalglrwyalpavsnmlleigglefsaapfsgwymsteigt rnlcdphryniledvavcmdldtrttsslwkdkaaveinlavlhsfqlakvtivdhhaat vsfmkhldneqkarggcpadwawivppisgsltpvfhqemvnyilspafryqpdpw
>4nseB (B:) kfprvknwelgsitydtlcaqsqqdgpctprrclgslvlprklqtrpspgpppaeqllsq ardfinqyyssikrsgsqaheerlqeveaevastgtyhlreselvfgakqawrnaprcvg riqwgklqvfdardcssaqemftyicnhikyatnrgnlrsaitvfpqrapgrgdfriwns qlvryagyrqqdgsvrgdpanveitelciqhgwtpgngrfdvlplllqapdeapelfvlp pelvlevplehptlewfaalglrwyalpavsnmlleigglefsaapfsgwymsteigtrn lcdphryniledvavcmdldtrttsslwkdkaaveinlavlhsfqlakvtivdhhaatvs fmkhldneqkarggcpadwawivppisgsltpvfhqemvnyilspafryqpdpw