Human protein KRAS (IMAGE) Center for Genomic Regulation Caption A three-dimensional image showing the human protein KRAS (blue) interacting with RAF1 (yellow), one of its main partners. The blue-to-red colour gradient indicates increasing potential for allosteric effects. Credit Weng, Faure and Escobedo/Centro de Regulación Genómica Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.