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MolNFT v1 · #184420 · protein

Cryoem structure of DNA polymerase alpha - primase bound to SARS cov NSP1

7OPL · DNA polymerase alpha catalytic subunit: “Cryoem structure of DNA polymerase alpha - primase bound to SARS cov NSP1”. Electron microscopy, 2 ligands (SF4, ZN), 20 pockets (best druggability 0.84). MolNFT v1 #184420 on GenesisL1: 3D…

PDB
7OPL
Type
protein
Length
2,442 residues
Chains
5
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
DNA polymerase alpha catalytic subunit; DNA polymerase alpha subunit B; DNA primase small…
EC
2.7.7.7, 2.7.7.-
UniProt
P09884, Q14181, P49642, P49643, P0C6U8
Ligands
SF4, ZN
Pockets
20 · best druggability 0.84

Structure

electron microscopy · 5 distinct chains · 41% helix, 15% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ADNA polymerase alpha catalytic subunit (EC 2.7.7.7)protein107039% helix, 17% strandP09884
BDNA polymerase alpha subunit Bprotein44421% helix, 23% strandQ14181
CDNA primase small subunit (EC 2.7.7.-)protein38950% helix, 11% strandP49642
DDNA primase large subunitprotein43461% helix, 3% strandP49643
ENon-structural protein 1protein10519% helix, 32% strandP0C6U8

Ligands and binding sites

  • SF4 · Iron/sulfur cluster · ligand · chains D
  • ZN · Zinc ion · metal · 3 copies · chains A, C

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

Pockets

20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15310.840.9063empty
28640.830.8588empty
33110.790.9061empty
41060.780.9726empty
51760.780.9337empty

Interfaces

6 interfaces between chains.

  • A–D · 2977 Ų buried · 39 hydrogen bonds · protein-protein
  • A–B · 2776 Ų buried · 35 hydrogen bonds · protein-protein
  • A–E · 746 Ų buried · 6 hydrogen bonds · protein-protein
  • C–D · 744 Ų buried · 10 hydrogen bonds · protein-protein
  • A–C · 356 Ų buried · 5 hydrogen bonds · protein-protein

Compared structures

  • 7OPL · CryoEM structure of DNA Polymerase alpha - primase bound to SARS CoV nsp1 · the same entry in another collection · chain E against E, TM-score 1.00
  • P49642 · AlphaFold monomer V2.0 prediction for DNA primase small subunit (P49642) · a predicted model of the same protein · chain C against A, TM-score 0.98
  • Q14181 · AlphaFold monomer V2.0 prediction for DNA polymerase alpha subunit B (Q14181) · a predicted model of the same protein · chain B against A, TM-score 0.97
  • P49643 · AlphaFold monomer V2.0 prediction for DNA primase large subunit (P49643) · a predicted model of the same protein · chain D against A, TM-score 0.96
  • P09884 · AlphaFold monomer V2.0 prediction for DNA polymerase alpha catalytic subunit (P09884) · a predicted model of the same protein · chain A against A, TM-score 0.84

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