Charged Amino Acids Form Connections between Protein Segments (image) Helmholtz Association Share Print E-Mail Caption Like the teeth of a zipper, the charged amino acids (red, blue) form connections between protein segments. In this way, they can form pores in the cell membrane. Credit (Figure: KIT) Usage Restrictions None 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.