>1k39B (B:) observed residues (from ATOM records) eirqnekisyriegpffiihlinpdnlnalegedyiylgelleladrnrdvyftiiqssg rffssgadfkgiakaqgddtnkypsetskwvsnfvarnvyvtdafikhskvlicclngpa iglsaalvalcdivysindkvyllypfanlgliteggttvslplkfgtnttyeclmfnkp fkydimcengfisknfnmpssnaeafnakvleelrekvkglylpsclgmkkllksnhida fnkansvevneslkywvdgeplkrfrqlgsk