404. That’s an error.

The requested URL /translate_c?depth=1&hl=el&prev=search&rurl=translate.google.gr&sl=en&u=http://en.wikipedia.org/wiki/Protease&usg=ALkJrhgD7v4UiZINzaQmlS4c5BbRS85Vgg was not found on this server. That’s all we know.