>3c91T (T:) observed residues (from ATOM records)
aydraitvfspdgrlfqveyareavkkgstalgmkfangvllisdkkvrsrlieqnsiek
iqliddyvaavtsglvadarvlvdfarisaqqekvtygslvnienlvkrvadqmqqytqy
ggvrpygvslifagidqigprlfdcdpagtineykataigsgkdavvsflereykenlpe
keavtlgikalkssleegeelkapeiasitvgnkyriydqeevkkfl