3iay

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Ternary complex of DNA polymerase delta

Structural highlights

3iay is a 3 chain structure with sequence from Saccharomyces cerevisiae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2Å
Ligands:ACT, CA, DCP, DOC
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

DPOD_YEAST DNA polymerase delta (DNA polymerase III) participates in chromosomal DNA replication. It is required during synthesis of the leading and lagging DNA strands at the replication fork and binds at/or near replication origins and moves along DNA with the replication fork. It has 3'-5' proofreading exonuclease activity that correct errors arising during DNA replication. It is also involved in DNA synthesis during DNA repair. POL3 contains the polymerase active site and most likely the active site for the 3'-5' exonuclease activity.[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. ↑ Simon M, Giot L, Faye G. The 3' to 5' exonuclease activity located in the DNA polymerase delta subunit of Saccharomyces cerevisiae is required for accurate replication. EMBO J. 1991 Aug;10(8):2165-70. PMID:1648480

Contents


PDB ID 3iay

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OCA

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