>4ll5A (A:) observed residues (from ATOM records)
lesqyqvgpllgsggfgsvysgirvsdnlpvaikhvekdrisdwgetrvpmevvllkkvs
sgfsgvirlldwferpdsfvlilerpepvqdlfdfitergalqeelarsffwqvleavrh
chncgvlhrdikdenilidlnrgelklidfgsgallkdtvytdfdgtrvysppewiryhr
yhgrsaavwslgillydmvcgdipfehdeeiirgqvffrqrvssecqhlirwclalrpsd
rptfeeiqnhpwmqdvllpqetaeihlh