>2j4qB (B:) observed residues (from ATOM records)
mrlcdrdieawldegrlsinprppveringatvdvrlgnkfrtfrghtaafidlsgpkde
vsaaldrvmsdeivldegeafylhpgelalavtlesvtlpadlvgwldgrsslarlglmv
hvtahridpgwsgcivlafynsgklplalrpgmligalsfeplsgpavrpy