>4cwxA (A:) observed residues (from ATOM records)
gpkfprvknwelgsitydtlcaqsqqdgpctprrclgslvlppaeqllsqardfinqyys
sikrsgsqaheerlqeveaevastgtyhlreselvfgakqawrnaprcvgriqwgklqvf
dardcssaqemftyicnhikyatnrgnlrsaitvfpqrapgrgdfriwnsqlvryagyrq
qdgsvrgdpanveitelciqhgwtpgngrfdvlplllqapdeapelfvlppelvlevple
hptlewfaalglrwyalpavsnmlleigglefsaapfsgwymsteigtrnlcdphrynil
edvavcmdldtrttsslwkdkaaveinlavlhsfqlakvtivdhhaatvsfmkhldneqk
arggcpadwawivppisgsltpvfhqemvnyilspafryqpdpw