>1yxvA (A:) observed residues (from ATOM records)
plesqyqvgpllgsggfgsvysgirvsdnlpvaikhvekdrisdwgelpngtrvpmevvl
lkkvssgfsgvirlldwferpdsfvlilerpepvqdlfdfitergalqeelarsffwqvl
eavrhchncgvlhrdikdenilidlnrgelklidfgsgallkdtvytdfdgtrvysppew
iryhryhgrsaavwslgillydmvcgdipfehdeeiirgqvffrqrvssecqhlirwcla
lrpsdrptfeeiqnhpwmqdvllpqetaeihlhs