Observing a DNA polymerase choose right from wrong.
Freudenthal, B.D., Beard, W.A., Shock, D.D., Wilson, S.H.(2013) Cell 154: 157-168
- PubMed: 23827680 
- DOI: 10.1016/j.cell.2013.05.048
- Primary Citation of Related Structures:  
- PubMed Abstract: 
DNA polymerase (pol) β is a model polymerase involved in gap-filling DNA synthesis utilizing two metals to facilitate nucleotidyl transfer. Previous structural studies have trapped catalytic intermediates by utilizing substrate analogs (dideoxy-termi ...