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Structure of NFRA1 nitroreductase from B. subtilis

Analyse Structure of NFRA1 nitroreductase from B. subtilis in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
3N2S
Type
protein
Length
991 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
NADPH-dependent NITRO/FLAVIN reductase
EC
1.5.1.29
UniProt
P39605
Ligands
FMN, CL
Pockets
8 · best druggability 0.86

Structure

x-ray diffraction · 2 distinct chains · 52% helix, 14% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, CNADPH-dependent NITRO/FLAVIN reductase (EC 1.5.1.29)protein24852% helix, 14% strandP39605
DNADPH-dependent NITRO/FLAVIN reductase (EC 1.5.1.29)protein24752% helix, 14% strandP39605

Ligands and binding sites

  • FMN · Flavin mononucleotide · ligand · 4 copies · chains A, B, C, D
  • CL · Chloride ion · ion · 2 copies · chains A, C, B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
111770.860.87146FMN, CL
23460.700.8347FMN
33770.640.7942FMN, CL
4580.550.8917empty
5500.360.8011empty

Interfaces

4 interfaces between chains.

  • C–D · 5307 Ų buried · 80 hydrogen bonds · protein-protein
  • A–B · 5211 Ų buried · 84 hydrogen bonds · protein-protein
  • A–C · 1056 Ų buried · 18 hydrogen bonds · protein-protein
  • B–C · 94 Ų buried · 2 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 24 modified (engineered).

Compared structures

  • 3N2S · Structure of NfrA1 nitroreductase from B. subtilis · the same entry in another collection · chain A against A, TM-score 1.00
  • P39605 · AlphaFold monomer V2.0 prediction for FMN reductase (NADPH) (P39605) · a predicted model of the same protein · chain A against A, TM-score 0.99

Analyse

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