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Human DNA polymerase beta with gapped DNA containing an 8-oxo-7,8- dihydro-guanine (8-OXOG)AND datp soaked with MGCL2 for 1HR

Analyse Human DNA polymerase beta with gapped DNA containing an 8-oxo-7,8… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4RQ7
Type
protein + DNA
Length
357 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
DNA polymerase beta; DNA (5'-D(P*GP*TP*CP*GP*G)-3'); DNA…
EC
2.7.7.7, 4.2.99.-
UniProt
P06746
Ligands
NA, CL
Pockets
2 · best druggability 0.73

Structure

x-ray diffraction · 4 distinct chains · 50% helix, 14% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ADNA polymerase beta (EC 2.7.7.7, 4.2.99.-)protein32550% helix, 14% strandP06746
DDNA (5'-D(P*GP*TP*CP*GP*G)-3')dna5——
PDNA (5'-D(*GP*CP*TP*GP*AP*TP*GP*CP*GP*CP*A)-3')dna11——
TDNA (5'-D(*CP*CP*GP*AP*CP*(8OG) P*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)-3')dna16——

Ligands and binding sites

  • NA · Sodium ion · metal · 4 copies · chains A, P, D, T
  • CL · Chloride ion · ion · 2 copies · chains A
  • ACT · Acetate ion · additive · 2 copies · chains P, D, T

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
110970.730.7784NA
22590.630.8226empty

Interfaces

5 interfaces between chains.

  • P–T · 557 Ų buried · 47 hydrogen bonds · nucleic-nucleic
  • A–P · 521 Ų buried · 10 hydrogen bonds · protein-nucleic
  • A–T · 417 Ų buried · 10 hydrogen bonds · protein-nucleic
  • A–D · 380 Ų buried · 7 hydrogen bonds · protein-nucleic
  • D–T · 229 Ų buried · 18 hydrogen bonds · nucleic-nucleic

Modifications

Observed in the structure: 1 modified (nucleotide modification).

Compared structures

  • 4RQ7 · Human DNA Polymerase Beta With Gapped DNA Containing an 8-oxo-7,8-dihydro-Guanine… · the same entry in another collection · chain A against A, TM-score 1.00
  • P06746 · AlphaFold monomer V2.0 prediction for DNA polymerase beta (P06746) · a predicted model of the same protein · chain A against A, TM-score 0.94

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