3twm

X-ray diffraction
2.8Å resolution

Crystal structure of Arabidopsis thaliana FPG

Released:

Function and Biology Details

Reactions catalysed:
Hydrolysis of DNA containing ring-opened 7-methylguanine residues, releasing 2,6-diamino-4-hydroxy-5-(N-methyl)formamidopyrimidine
The C-O-P bond 3' to the apurinic or apyrimidinic site in DNA is broken by a beta-elimination reaction, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'-phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-116948 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Formamidopyrimidine-DNA glycosylase Chains: A, B
Molecule details ›
Chains: A, B
Length: 310 amino acids
Theoretical weight: 34.69 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O80358 (Residues: 1-304; Coverage: 78%)
Gene names: At1g52500, F6D8.28, FPG1, FPG2
Sequence domains:
Structure domains:
5'-D(*AP*GP*CP*GP*TP*CP*CP*AP*(3DR)P*GP*TP*CP*TP*AP*CP*C)-3' Chains: C, E
Molecule details ›
Chains: C, E
Length: 16 nucleotides
Theoretical weight: 4.71 KDa
Source organism: Arabidopsis thaliana
Expression system: Not provided
5'-D(*TP*GP*GP*TP*AP*GP*AP*CP*GP*TP*GP*GP*AP*CP*GP*C)-3' Chains: D, F
Molecule details ›
Chains: D, F
Length: 16 nucleotides
Theoretical weight: 4.98 KDa
Source organism: Arabidopsis thaliana
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.3
Spacegroup: P212121
Unit cell:
a: 46.4Å b: 98.57Å c: 181.48Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.225 0.225 0.287
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided