document establishing a legal international entity to be responsible for the building, operating, and decommissioning of the ITER Project, signed in Paris on 21 November 2006 by China, the European Union, India, Japan, Korea, Russia and the United States

multi-functional protein embedded in the viral envelope of several viruses, including influenza C virus, coronaviruses and toroviruses which is required for infectivity, and functions to recognise the host cell surface receptor, to fuse the viral and host cell membranes, and to destroy the receptor upon host cell infection