PDBe 1x8o

X-ray diffraction
1.01Å resolution

1.01 A Crystal Structure Of Nitrophorin 4 From Rhodnius Prolixus Complexed With Nitric Oxide at pH 5.6

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)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nitrophorin-4 Chain: A
Molecule details ›
Chain: A
Length: 184 amino acids
Theoretical weight: 20.29 KDa
Source organism: Rhodnius prolixus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q94734 (Residues: 22-205; Coverage: 100%)
Sequence domains: Nitrophorin
Structure domains: Lipocalin

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: C2
Unit cell:
a: 70.445Å b: 42.729Å c: 53.098Å
α: 90° β: 94.43° γ: 90°
R-values:
R R work R free
0.103 0.102 0.13
Expression system: Escherichia coli BL21(DE3)