KRAS Protein (image) University of Eastern Finland Share Print E-Mail Caption A mutation at the amino acid glycine 12 (orange) of the KRAS protein (purple) has an effect on KRAS dynamics. Credit Tatu Pantsar Usage Restrictions Please mention the credit. 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.