A metal-ligand-mediated intersubunit allosteric switch in related SmtB/ArsR zinc sensor proteins.
Eicken, C., Pennella, M.A., Chen, X., Koshlap, K.M., VanZile, M.L., Sacchettini, J.C., Giedroc, D.P.(2003) J Mol Biol 333: 683-695
- PubMed: 14568530 
- DOI: 10.1016/j.jmb.2003.09.007
- Primary Citation of Related Structures:  
1R1V, 1R1U, 1R1T, 1R23, 1R22 - PubMed Abstract: 
The origin of metal ion selectivity by members of the SmtB/ArsR family of bacterial metal-sensing transcriptional repressors and the mechanism of negative allosteric regulation of DNA binding is poorly understood. Here, we report that two homologous ...