A punctate, filamentous structure composed of Bcl10 that appears in the cytoplasm of T-cells shortly after T-cell receptor stimulation. Polkadots stands for Punctate Oligomeric Killing and Activating DOmains Transducing Signals. [ http://www.ncbi.nlm.nih.gov/pubmed/16495340 http://www.ncbi.nlm.nih.gov/pubmed/14724296 ]
Term information
Note that polkadots also contains some amount of MALT1. Interaction with MALT1 is required for formation of the polkadots.