More information: Dan Song et al, Yin and yang regulation of stress granules by Caprin-1, Proceedings of the National Academy of Sciences (2022). DOI: 10.1073/pnas.2207975119 ...

The dynamic interplay of calcium-free calmodulin (white yang domain) and calcium-bound calmodulin (dark yin domain) controls the opening of ion channels, shown in the background.