Structural and Kinetic Characterization of Active-Site Histidine as a Proton Shuttle in Catalysis by Human Carbonic Anhydrase II
Fisher, Z., Hernandez Prada, J.A., Tu, C.K., Duda, D., Yoshioka, C., An, H., Govindasamy, L., Silverman, D.N., McKenna, R.(2005) Biochemistry 44: 1097-1105
- PubMed: 15667203 
- DOI: 10.1021/bi0480279
- Primary Citation of Related Structures:  
- PubMed Abstract: 
In the catalysis of the hydration of carbon dioxide and dehydration of bicarbonate by human carbonic anhydrase II (HCA II), a histidine residue (His64) shuttles protons between the zinc-bound solvent molecule and the bulk solution. To evaluate the ef ...