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MolNFT v1 · #112007 · protein + DNA

Structure of the enzyme-product complex resulting from tdg action on a gt mismatch in the presence of excess base

4Z7Z · G/T mismatch-specific thymine DNA glycosylase: “Structure of the enzyme-product complex resulting from tdg action on a gt mismatch in the presence of excess…”. X-ray diffraction, 1 ligand (ORP), 4 pockets (best druggability 0.73).…

PDB
4Z7Z
Type
protein + DNA
Length
250 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
G/T mismatch-specific thymine DNA glycosylase; DNA (28-mer)
EC
3.2.2.29
UniProt
Q13569
Ligands
ORP
Pockets
4 · best druggability 0.73

Structure

x-ray diffraction · 3 distinct chains · 43% helix, 12% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AG/T mismatch-specific thymine DNA glycosylase (EC 3.2.2.29)protein19543% helix, 12% strandQ13569
CDNA (28-mer)dna28——
DDNA (28-mer)dna27——

Ligands and binding sites

  • ORP · 2-deoxy-5-phosphono-ribose · ligand · chains A, D
  • EDO · 1,2-ethanediol · additive · chains A
  • ACY · Acetic acid · additive · chains A

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

4 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
13680.730.8537ORP, ACY
25870.660.7740empty
3880.410.7823empty
4510.360.8015empty

Interfaces

3 interfaces between chains.

  • C–D · 1227 Ų buried · 129 hydrogen bonds · nucleic-nucleic
  • A–D · 552 Ų buried · 16 hydrogen bonds · protein-nucleic
  • A–C · 412 Ų buried · 6 hydrogen bonds · protein-nucleic

Modifications

Observed in the structure: 2 covalent (covalent ligand).

Compared structures

  • 4Z7Z · Structure of the enzyme-product complex resulting from TDG action on a GT mismatch in the… · the same entry in another collection · chain A against A, TM-score 1.00
  • Q13569 · AlphaFold monomer V2.0 prediction for G/T mismatch-specific thymine DNA glycosylase… · a predicted model of the same protein · chain A against A, TM-score 0.97

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