DNA repair (), Volume , Page
PubMed entry


Time-lapse X-ray crystallography allows visualization of intermediate ...
Time-lapse X-ray crystallography allows visualization of intermediate structures during the DNA polymerase catalytic cycle. Employing time-lapse crystallography with human DNA polymerase β has recently allowed us to capture and solve novel intermediate structures that are not stable enough to be analyzed by traditional crystallography. The structures of these intermediates reveals exciting surprises about active site metal ions and enzyme conformational changes as the reaction proceeds from the ground state to product release. In this perspective, we provide an overview of recent advances in understanding the DNA polymerase nucleotidyl transferase reaction and highlight both the significance and mysteries of enzyme efficiency and specificity that remain to be solved.





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