>1usqF (F:) observed residues (from ATOM records)
gsftpsgttgttkltvtekcqvrvgdltvaktrgqltdaapigpvtvqalgcdarqvalk
adtdnfeqgkfflisdnnrdklyvnirptdnsawttdngvfykndvgswggiigiyvdgq
qtntppgnytltltggywak