>3bq4B (B:) observed residues (from ATOM records) intlwtginpppncqiventntndgkltlvlvkngglvngyvslvgvsdtvnqmftqkta niqlrlyfdssgnllteesdlkiplknksstatsetvasskafmpsttaypfntttrdse nyihgicyymtsydrslfplnisimlnsrmissnvayaiqfewnlnasespesniatltt spfffsyitedd