>4oulB (B:) observed residues (from ATOM records) mrvafsaartsnlapgtldqpivfdlllnnlgetfdlqlgrfncpvngtyvfifhmlkla vnvplyvnlmkneevlvsayandgapdhetasnhailqlfqgdqiwlrlhrgaiygsswk ystfsgyllyqd