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Literature summary for 1.1.1.306 extracted from

  • Vogt, R.N.; Steenkamp, D.J.; Zheng, R.; Blanchard, J.S.
    The metabolism of nitrosothiols in the Mycobacteria: identification and characterization of S-nitrosomycothiol reductase (2003), Biochem. J., 374, 657-666.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0173
-
mycothiol pH 8.7, 30°C Mycolicibacterium smegmatis
0.354
-
NAD+ pH 8.7, 30°C Mycolicibacterium smegmatis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
38263
-
x * 38263, electrospray mass spectrometry Mycolicibacterium smegmatis

Organism

Organism UniProt Comment Textmining
Mycolicibacterium smegmatis
-
-
-
Mycolicibacterium smegmatis mc2
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Mycolicibacterium smegmatis

Source Tissue

Source Tissue Comment Organism Textmining
cell culture
-
Mycolicibacterium smegmatis
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
22.64
-
-
Mycolicibacterium smegmatis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-hydroxymethylmycothiol + NAD+ rapid-equilibrium ordered mechanism Mycolicibacterium smegmatis formic acid + mycothiol + NADH + ?
-
?
S-hydroxymethylmycothiol + NAD+ rapid-equilibrium ordered mechanism Mycolicibacterium smegmatis mc2 formic acid + mycothiol + NADH + ?
-
?
S-nitrosomycothiol + NADH decomposition with a sequential mechanism, enzyme reduces the nitroso group to the oxidation level of nitroxyl Mycolicibacterium smegmatis ?
-
?
S-nitrosomycothiol + NADH decomposition with a sequential mechanism, enzyme reduces the nitroso group to the oxidation level of nitroxyl Mycolicibacterium smegmatis mc2 ?
-
?

Subunits

Subunits Comment Organism
? x * 38263, electrospray mass spectrometry Mycolicibacterium smegmatis

Synonyms

Synonyms Comment Organism
MSH-dependent formaldehyde dehydrogenase
-
Mycolicibacterium smegmatis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
additional information
-
additional information
-
Mycolicibacterium smegmatis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8 9.5 optimal in Na-diphosphate buffer, buffers containing amino groups give poor activity, possibly because of Schiff base formation with formaldehyde Mycolicibacterium smegmatis

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Mycolicibacterium smegmatis