>3o50A (A:) observed residues (from ATOM records)
rqwaledfeigrplgkgkfgnvylarekqskfilalkvlfkaqlekagvehqlrreveiq
shlrhpnilrlygyfhdatrvylileyaplgtvyrelqklskfdeqrtatyitelanals
ychskrvihrdikpenlllgsagelkiadfgwtldylppemiehdekvdlwslgvlcyef
lvgkppfeantyqetykrisrveftfpdfvtegardlisrllkhnpsqrpmlrevlehpw
itanss