› 8qes

X-ray diffraction
2.48Å resolution

E coli NfsB with the unnatural amino acid, p-aminoPhe at position 124

Released:
DOI: 10.2210/pdb8qes/pdb
PDB entry 8qes coloured by chain, front view.
PDB entry 8qes coloured by chain, side view.
PDB entry 8qes coloured by chain, top view.
Source organism: Escherichia coli
Entry authors: Day MA, White SA, Hyde EI

Function and Biology Details

Reaction catalysed: 
A 5,6,7,8-tetrahydropteridine + NAD(P)(+) = a 6,7-dihydropteridine + NAD(P)H
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-153657 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Oxygen-insensitive NAD(P)H nitroreductase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 221 amino acids
Theoretical weight: 24.42 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P38489 (Residues: 2-217; Coverage: 100%)
Gene names: JW0567, b0578, dprA, nfnB, nfsB, nfsI, ntr
Sequence domains: Nitroreductase family

Ligands and Environments


Cofactor: Ligand FMN 4 x FMN
1 bound ligand:
Ligand NIO 4 x NIO
1 modified residue:
Ligand HOX 4 x HOX

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: P21
Unit cell:
a: 71.45Å b: 57.96Å c: 116.49Å
α: 90° β: 103.73° γ: 90°
R-values:
R R work R free
0.164 0.161 0.21
Expression system: Escherichia coli

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