The PaNDA Spin Label (image) University of Konstanz Share Print E-Mail Caption The novel photoactivatable nitroxide for DAinv reaction spin label for proteins, PaNDA. It can be ligated to proteins through a DAinv cycloaddition to genetically encoded noncanonical amino acids. Credit Anandi Kugele 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.