CATH Classification

Domain Context

CATH Clusters

Superfamily 2.40.128.20
Functional Family

Enzyme Information

1.7.6.1
Nitrite dismutase.
based on mapping to UniProt Q94734
3 nitrite + 2 H(+) = 2 nitric oxide + nitrate + H(2)O.
-!- The enzyme is one of the nitrophorins from the salivary gland of the blood-feeding insect Rhodnius prolixus. -!- Nitric oxide produced induces vasodilation after injection. -!- Nitrophorins 2 and 4 can also catalyze this reaction.

UniProtKB Entries (1)

Q94734
NP4_RHOPR
Rhodnius prolixus
Nitrophorin-4

PDB Structure

PDB 3TGC
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Insertion of an H-Bonding Residue into the Distal Pocket of the Ferriheme Protein Nitrophorin 4: Effect on Nitrite[BOND]Iron Coordination and Nitrite Disproportionation
He, C., Ogata, H., Knipp, M.
Chem.Biodivers.