Three-Protein Complex (image) Howard Hughes Medical Institute Share Print E-Mail Caption A complex of three proteins (shown at right in this artistic rendering) helps brain cells quickly release neurotransmitters (light green) to communicate with neighboring cells. Credit Zhou et al./ Nature 2017 Usage Restrictions Must use with 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.