HIPPI Binding Region (IMAGE) Indiana University Caption This image shows the critical, negatively charged HIPPI binding region in red next to a positively charged region in blue. The nitrogen and carbon termini of the protein segment are shown as "N" and "C," respectively. Credit Joel Ybe Usage Restrictions None License Licensed content 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.