>1nc2B (B:) observed residues (from ATOM records) evklqesgpglvqpsqslsitctvsgfsltdygvhwvrqspgkglewlgviwsgggtayt aafisrlniykdnsknqvffemnslqandtamyycarrgsypynyfdvwgqgttvtvssa kttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdl ytlsssvtvpsstwpsetvtcnvahpasstkvdkkivpr