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Crystal structure of SARS-cov-2 N-ctd in complex with gmp

Analyse Crystal structure of SARS-cov-2 N-ctd in complex with gmp in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7XXK
Type
protein
Length
648 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Nucleoprotein
UniProt
P0DTC9
Ligands
5GP, GUN, GMP, K, NA, CL, SCN
Pockets
7 · best druggability 0.70

Structure

x-ray diffraction · 3 distinct chains · 40% helix, 21% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, D, ENucleoproteinprotein10940% helix, 22% strandP0DTC9
BNucleoproteinprotein10741% helix, 21% strandP0DTC9
C, FNucleoproteinprotein10738% helix, 21% strandP0DTC9

Ligands and binding sites

  • 5GP · Guanosine-5'-monophosphate · ligand · 3 copies · chains A, B, C, D
  • GUN · Guanine · ligand · chains C, D, F
  • GMP · Guanosine · ligand · chains E, F
  • K · Potassium ion · metal · 9 copies · chains A, B, C, D, E, F
  • NA · Sodium ion · metal · 2 copies · chains C, F
  • CL · Chloride ion · ion · 13 copies · chains B, C, F, D, E, A
  • SCN · Thiocyanate ion · ion · chains A

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

Pockets

7 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
14750.700.81645GP
22570.560.7741GUN, CL
31710.550.8025CL
41450.530.8019K
5830.360.7624GMP

Interfaces

9 interfaces between chains.

  • A–B · 2762 Ų buried · 42 hydrogen bonds · protein-protein
  • C–D · 2728 Ų buried · 43 hydrogen bonds · protein-protein
  • E–F · 2725 Ų buried · 44 hydrogen bonds · protein-protein
  • C–F · 302 Ų buried · 5 hydrogen bonds · protein-protein
  • A–C · 212 Ų buried · 1 hydrogen bond · protein-protein

Compared structures

  • 7XXK · Crystal structure of SARS-CoV-2 N-CTD in complex with GMP · the same entry in another collection · chain A against A, TM-score 1.00

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