>2d3sC (C:) observed residues (from ATOM records)
ktisfnfnqfhqneeqlklqrdarissnsvleltkvvngvptwnstgralyakpvqvwds
ttgnvasfetrfsfsirqpfprphpadglvffiappntqtgegggyfgiynplspypfva
vefdtfrntwdpqiphigidvnsvistktvpftldnggianvvikydastkilhvvlvfp
slgtiytiadivdlkqvlpesvnvgfsaatgdpsgkqrnatethdilswsfsaslpg