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MolNFT v1 · #97654 · protein + DNA

DNA polymerase beta matched reactant complex with MG2+, 20 S

4KLF · 5'-D(*CP*CP*GP*AP*CP*GP*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)-3': “DNA polymerase beta matched reactant complex with MG2+, 20 S”. X-ray diffraction, 5 ligands (DCP, PPV, MG), 3 pockets (best druggability 0.70). MolNFT v1 #97654 on…

PDB
4KLF
Type
protein + DNA
Length
358 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
5'-D(*CP*CP*GP*AP*CP*GP*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)-3'…
EC
2.7.7.7, 4.2.99.-
UniProt
P06746
Ligands
DCP, PPV, MG, NA, CL
Pockets
3 · best druggability 0.70

Structure

x-ray diffraction · 4 distinct chains · 52% helix, 13% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
T5'-D(*CP*CP*GP*AP*CP*GP*GP*CP*GP*CP*AP*TP*CP*AP*GP*C)-3'dna16——
P5'-D(*GP*CP*TP*GP*AP*TP*GP*CP*GP*CP*C)-3'dna11——
D5'-D(P*GP*TP*CP*GP*G)-3'dna5——
ADNA polymerase beta (EC 2.7.7.7, 4.2.99.-)protein32652% helix, 13% strandP06746

Ligands and binding sites

  • DCP · 2'-deoxycytidine-5'-triphosphate · ligand · chains T, P, A
  • PPV · Pyrophosphate · ligand · chains P, A
  • MG · Magnesium ion · metal · 2 copies · chains P, A
  • NA · Sodium ion · metal · 2 copies · chains P, A, D
  • CL · Chloride ion · ion · 2 copies · chains A

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
18910.700.7657MG, PPV
23360.630.7931empty
32180.590.8127empty

Interfaces

5 interfaces between chains.

  • T–A · 733 Ų buried · 15 hydrogen bonds · protein-nucleic
  • P–A · 536 Ų buried · 14 hydrogen bonds · protein-nucleic
  • T–P · 506 Ų buried · 47 hydrogen bonds · nucleic-nucleic
  • D–A · 389 Ų buried · 8 hydrogen bonds · protein-nucleic
  • T–D · 231 Ų buried · 17 hydrogen bonds · nucleic-nucleic

Modifications

Observed in the structure: 1 covalent (covalent ligand).

Compared structures

  • 4KLF · DNA polymerase beta matched reactant complex with Mg2+, 20 s · the same entry in another collection · chain T against T, 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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