Uranium Complex (IMAGE) Wiley Caption The first uranyl-selective DNA-binding protein is designed using the E. coli nickel(II)-responsive protein NikR as the template. The resulting NikR protein binds uranyl with a dissociation constant Kd=53 nM and selectively binds to DNA in the presence of uranyl. Credit (C) Wiley-VCH 2009 Usage Restrictions Permission to use with appropriate credit and link to http://dx.doi.org/10.1002/anie.200805262 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.