Kelly Du Pont Viral Protein (image) Colorado State University Share Print E-Mail Caption Kelly Du Pont, first author of the study, studies Nonstructural Protein 3 - or NS3 - in flaviviruses, which cause a number of diseases in humans. NS3 is a key enzyme that these viruses use to copy their genomes. Credit Joe Mendoza/CSU Photography Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.