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MolNFT v1 · #122870 · protein + DNA

Ternary complex crystal structure of DNA polymerase beta with G:A mismatch at the primer terminus

5J2F: “Ternary complex crystal structure of DNA polymerase beta with G:A mismatch at the primer terminus”. X-ray diffraction, 4 ligands (DUP, MG, NA), 3 pockets (best druggability 0.71). MolNFT v1 #122870 on GenesisL1: 3D structure…

PDB
5J2F
Type
protein + DNA
Length
357 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
DNA polymerase beta; Template strand; Primer strand; Downstream primer strand
EC
2.7.7.7, 4.2.99.-
UniProt
P06746
Ligands
DUP, MG, NA, CL
Pockets
3 · best druggability 0.71

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.-)protein32650% helix, 14% strandP06746
TTemplate stranddna16——
PPrimer stranddna10——
DDownstream primer stranddna5——

Ligands and binding sites

  • DUP · 2'-deoxyuridine 5'-alpha,beta-imido-triphosphate · ligand · chains A, T, P
  • MG · Magnesium ion · metal · 2 copies · chains A, P
  • NA · Sodium ion · metal · 2 copies · chains A, P, D
  • CL · Chloride ion · ion · 5 copies · chains A, P

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

Pockets

3 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
19400.710.7663DUP, MG
23290.610.7828empty
32280.580.8027empty

Interfaces

5 interfaces between chains.

  • A–T · 738 Ų buried · 15 hydrogen bonds · protein-nucleic
  • T–P · 460 Ų buried · 46 hydrogen bonds · nucleic-nucleic
  • A–P · 371 Ų buried · 10 hydrogen bonds · protein-nucleic
  • A–D · 370 Ų buried · 9 hydrogen bonds · protein-nucleic
  • T–D · 231 Ų buried · 21 hydrogen bonds · nucleic-nucleic

Compared structures

  • 5J2F · Ternary complex crystal structure of DNA polymerase Beta with G:A mismatch at the primer… · 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 0.95

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