Figure 3. (IMAGE) National Institutes of Natural Sciences Caption A) The MCP structural model of another virus is fitted to the MCP density. The presence of unknown proteins other than MCP was recognized in the upper part (white area to which the structural model is not fitted). B) The unknown protein portion is shown in red. Credit Scientific Reports Usage Restrictions Creative Commons licence CC BY 4.0 License Licensed content 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.