>2dtwB (B:) observed residues (from ATOM records) ktisfnfnqfhqneeqlklqrdarissnsvleltkvvngvptwnstgralyakpvqvwds ttgnvasfetrfsfsirqpfprphpadglvffiappntqtgegggyfgiynplspypfva vefdtfrntwdpqiphigidvnsvistktvpftldnggianvvikydastkilhvvlvfp slgtiytiadivdlkqvlpesvnvgfsaatgdpsgkqrnatethdilswsfsaslpg