>1k23B (B:) observed residues (from ATOM records) mekilifghqnpdtdticsaiayadlknklgfnaepvrlgqvngetqyaldyfkqesprl vetaanevngvilvdhnerqqsikdieevqvlevidhhrianfetaeplyyraepvgcta tilnkmykennvkiekeiaglmlsaiisdsllfksptctdqdvaaakelaeiagvdaeey glnmlkagadlskktveelisldakeftlgskkveiaqvntvdiedvkkrqaeleavisk vvaeknldlfllvitdilendslalaigneaakvekafnvtlenntallkgvvsrkkqvv pvltdam