Respiration is the physiological process through which oxygen in the environment can be exchanged with carbon dioxide from an organism. This process requires specialized organs such as the lungs ...

Analysis of crystal structures suggests that PAP binding restricts access to the acceptor-binding pocket by restructuring a nine-residue segment of the pocket edge that constricts the active site ...

† Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada M5S3H6 § Department of Chemistry and Biochemistry, University of Windsor, 401 Sunset Avenue, Windsor, ...