>2vitB (B:) SEQRES residues qvqlkesgpglvapsqslsitctvsgfllisngvhwvrqppgkglewlgviwaggntnyn salmsrvsiskdnsksqvflkmkslqtddtamyycardfydydvfyyamdywgqgtsvtv ssakttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlq sdlytlsssvtvpsstwpsetvtcnvahpasstkvdkkivp