Text this: Structure/function studies on the signal sequence of organophosphorus hydrolase of P̲s̲e̲u̲d̲o̲m̲o̲n̲a̲s̲ d̲i̲m̲i̲n̲u̲t̲a̲ in E̲s̲c̲h̲e̲r̲i̲c̲h̲i̲a̲ c̲o̲l̲i̲ /