>1yi4A (A:) observed residues (from ATOM records)
plesqyqvgpllgsggfgsvysgirvsdnlpvaikhvekdrisdwgetrvpmevvllkkv
ssgfsgvirlldwferpdsfvlilerpepvqdlfdfitergalqeelarsffwqvleavr
hchncgvlhrdikdenilidlnrgelklidfgsgallkdtvytdfdgtrvysppewiryh
ryhgrsaavwslgillydmvcgdipfehdeeiirgqvffrqrvssecqhlirwclalrps
drptfeeiqnhpwmqdvllpqetaeihlh