>3fnkB (B:) observed residues (from ATOM records)
mikasyitmgydknaaevgeiikatvkinkitnfsgyqvnikydptvlqavnpktgvayt
nsslptsgellvsedygpivqgvhkisegilnlsrsytalevyrasespeetgtlavvgf
kvlqkkattvvfedsetmpngitgttlfnwygnriqsgyfviqpgeinsap