4xmc

X-ray diffraction
1.42Å resolution

Crystal structure of nitrophorin 7 from Rhodnius prolixus at pH 5.8

Released:

Function and Biology Details

Reaction catalysed:
3 nitrite + 2 H(+) = 2 nitric oxide + nitrate + H(2)O
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-180210 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nitrophorin-7 Chain: A
Molecule details ›
Chain: A
Length: 184 amino acids
Theoretical weight: 20.76 KDa
Source organism: Rhodnius prolixus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q6PQK2 (Residues: 22-205; Coverage: 100%)
Sequence domains: Nitrophorin
Structure domains: Lipocalin

Ligands and Environments


Cofactor: Ligand HEM 1 x HEM
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P21
Unit cell:
a: 38.419Å b: 66.999Å c: 38.997Å
α: 90° β: 116.57° γ: 90°
R-values:
R R work R free
0.162 0.161 0.194
Expression system: Escherichia coli