Chaperones (image) Max-Planck-Gesellschaft Caption The chaperone DnaK binds to new proteins and mediates their folding. Proteins it cannot fold, DnaK transports to GroEL, a highly specialized folding machine. Credit MPI of Biochemistry Usage Restrictions None 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.