Kappa variant spike proteins (IMAGE) University of British Columbia Caption Two Kappa variant spike proteins joined in a head-to-head dimer – a characteristic not yet seen in any other SARS-CoV-2 variant. Credit Dr. Sriram Subramaniam/University of British Columbia Usage Restrictions none License Original 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.