>2w43B (B:) observed residues (from ATOM records) iilafdifgtvldtstviqefrnkqleytwlltimgkyvefeeitkitlryilkvrgees kfdeelnkwknlkayedtkylkeiseiaevyalsngsinevkqhlerngllryfkgifsa esvkeykpspkvykyfldsigakeaflvssnafdvigaknagmrsifvnrkntivdpigg kpdvivndfkelyewilryk