>2du1D (D:) observed residues (from ATOM records)
ktisfnfnqfhqneeqlklqrdarissnsvleltkvvngvptwnstgralyakpvqvwds
ttgnvasfetrfsfsirqpfprphpadglvffiappntqtgegggyfgiynplspypfva
vefdtfrntwdpqiphigidvnsvistktvpftldnggianvvikydastkilhvvlvfp
slgtiytiadivdlkqvlpesvnvgfsaatgdpsgkqrnatethdilswsfsaslpg