3TC3 image
Deposition Date 2011-08-08
Release Date 2012-11-07
Last Version Date 2024-11-06
Entry Detail
PDB ID:
3TC3
Keywords:
HYDROLASE
Title:
Crystal Structure of SacUVDE
Biological Source:
Source Organism:
Sulfolobus acidocaldarius (Taxon ID: 330779)
Host Organism:
Escherichia coli
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
1.50 Å
R-Value Free:
0.21
R-Value Work:
0.17
R-Value Observed:
0.17
Space Group:
P 1
3TC3 validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:UV damage endonuclease
Gene (Uniprot):uvdE
Chain IDs:A, B
Chain Length:310
Number of Molecules:2
Biological Source:Sulfolobus acidocaldarius
UniProt ID:Q4J9T1 Pfam ID:PF03851
Ligand Molecules
MN
Primary Citation
UV damage endonuclease employs a novel dual-dinucleotide flipping mechanism to recognize different DNA lesions.
Nucleic Acids Res. 41 1363 1371 (2013)
PMID: 23221644 DOI: 10.1093/nar/gks1127

Abstact

Repairing damaged DNA is essential for an organism's survival. UV damage endonuclease (UVDE) is a DNA-repair enzyme that can recognize and incise different types of damaged DNA. We present the structure of Sulfolobus acidocaldarius UVDE on its own and in a pre-catalytic complex with UV-damaged DNA containing a 6-4 photoproduct showing a novel 'dual dinucleotide flip' mechanism for recognition of damaged dipyrimidines: the two purines opposite to the damaged pyrimidine bases are flipped into a dipurine-specific pocket, while the damaged bases are also flipped into another cleft.

Legend

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Chemical

Disease

Primary Citation of related structures
3TC3