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Literature summary extracted from

  • Cramm, R.; Pohlmann, A.; Friedrich, B.
    Purification and characterization of the single-component nitric oxide reductase from Ralstonia eutropha H16 (1999), FEBS Lett., 460, 6-10.
    View publication on PubMed

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.7.2.5 Fe
-
Cupriavidus necator

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.7.2.5 75000
-
SDS-PAGE Cupriavidus necator
1.7.2.5 84500
-
amino acid composition Cupriavidus necator

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.7.2.5 2 nitric oxide + reduced acceptor Cupriavidus necator
-
nitrous oxide + acceptor + H2O
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.7.2.5 Cupriavidus necator
-
contains two NO reductase enzymes named norB and norZ, that are located the former on the megaplasmid pHG1 and the latter on chromosomal DNA
-
1.7.2.5 Cupriavidus necator
-
formerly Alcaligenes eutrophus strain H16
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.7.2.5
-
Cupriavidus necator

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.7.2.5 0.16
-
with NADH and 2,3-dimethoxy-5-methyl-1,4-benzoquinone as electron donors Cupriavidus necator
1.7.2.5 0.22
-
with N,N,N',N'-tetramethyl-1,4-benzendiamine and ascorbate as electron donors Cupriavidus necator
1.7.2.5 0.78
-
with NADH and duroquinone as electron donors Cupriavidus necator
1.7.2.5 1.53
-
with NADH as electron donor Cupriavidus necator
1.7.2.5 2.27
-
with NADH and menadione as electron donors Cupriavidus necator
1.7.2.5 2.79
-
with ascorbate and phenazine methosulfate as electron donors Cupriavidus necator

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.7.2.5 2 nitric oxide + reduced acceptor
-
Cupriavidus necator nitrous oxide + acceptor + H2O
-
?
1.7.2.5 2 nitric oxide + reduced acceptor ascorbate and phenazine methosulfate, NADH, NADH/menadione, NADH/duroquinone, NADH/2,3-dimethoxy-5-methyl-1,4-benzoquinone and N,N,N',N'-tetramethyl-1,4-benzendiamine/ascorbate as electron donors Cupriavidus necator nitrous oxide + acceptor + H2O
-
?

Subunits

EC Number Subunits Comment Organism
1.7.2.5 monomer no NorC gene upstream NorB, contains an extension including two additional transmembrane spans and a (putative) periplasmic domain Cupriavidus necator

Cofactor

EC Number Cofactor Comment Organism Structure
1.7.2.5 heme
-
Cupriavidus necator
1.7.2.5 NADH
-
Cupriavidus necator