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MolNFT v1 · #116846 · protein + DNA

Crystal structure of human DNA polymerase eta inserting dampnpp opposite O4-ethylthymidine

5DQG: “Crystal structure of human DNA polymerase eta inserting dampnpp opposite O4-ethylthymidine”. X-ray diffraction, 2 ligands (DZ4, MG), 6 pockets (best druggability 0.81). MolNFT v1 #116846 on GenesisL1: 3D structure, binding sites and…

PDB
5DQG
Type
protein + DNA
Length
449 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
DNA polymerase eta; DNA (5'-D(*CP*AP*TP*(5EJ)P*AP*TP*GP*AP*CP*GP*CP*T)-3'); DNA…
EC
2.7.7.7
UniProt
Q9Y253
Ligands
DZ4, MG
Pockets
6 · best druggability 0.81

Structure

x-ray diffraction · 3 distinct chains · 44% helix, 22% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ADNA polymerase eta (EC 2.7.7.7)protein43044% helix, 22% strandQ9Y253
TDNA (5'-D(*CP*AP*TP*(5EJ)P*AP*TP*GP*AP*CP*GP*CP*T)-3')dna11——
PDNA (5'-D(*AP*GP*CP*GP*TP*CP*AP*T)-3')dna8——

Ligands and binding sites

  • DZ4 · 2'-deoxy-5'-O-[(R)-hydroxy{[(r)-hydroxy(phosphonooxy) phosphoryl]amino}phosphoryl]adenosine · ligand · chains A, T, P
  • MG · Magnesium ion · metal · 2 copies · chains A, P
  • GOL · Glycerol · additive · chains A

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
110330.810.8364DZ4, MG
23010.670.8227empty
32430.640.8227empty
42040.490.7626empty
5760.430.8020empty

Interfaces

3 interfaces between chains.

  • A–T · 1061 Ų buried · 16 hydrogen bonds · protein-nucleic
  • A–P · 611 Ų buried · 15 hydrogen bonds · protein-nucleic
  • T–P · 388 Ų buried · 30 hydrogen bonds · nucleic-nucleic

Modifications

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

Compared structures

  • 5DQG · Crystal Structure of Human DNA Polymerase Eta Inserting dAMPNPP Opposite O4-Ethylthymidine · the same entry in another collection · chain A against A, TM-score 1.00

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