Morphlock-1 (IMAGE) Fox Chase Cancer Center Caption Morphlock-1 (yellow) binds the inactive form of a protein known as PBGS, an enzyme used by nearly all living things. The functioning form of PBGS is built from eight identical component parts, in what is called an octamer configuration (pink). The hexamer configuration (blue) is made of six parts and serves as a Credit FCCC Usage Restrictions Credit must be given to the creator. License CC BY 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.