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Literature summary for 4.3.1.9 extracted from

  • Iwamoto, R.; Amano, C.; Ikehara, K.; Ushida, N.
    The D-glucosaminate dehydratase alpha-subunit from Pseudomonas fluorescens exhibits thioredoxin reductase activity (2003), Biochim. Biophys. Acta, 1647, 310-314.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
-
Pseudomonas fluorescens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0044
-
thioredoxin pH 8 Pseudomonas fluorescens
0.0113
-
NADPH pH 8 Pseudomonas fluorescens
0.0113
-
pyridoxal 5'-phosphate pH 8 Pseudomonas fluorescens
0.0113
-
D-glucosaminic acid pH 8 Pseudomonas fluorescens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
33900
-
2 * 33900, alpha2-homodimer, SDS-PAGE Pseudomonas fluorescens
35000
-
2 * 35000, alpha,beta-heterodimer, SDS-PAGE Pseudomonas fluorescens
45000
-
2 * 45000, beta2-homodimer, SDS-PAGE Pseudomonas fluorescens
70000
-
alpha2-homodimer, SDS-PAGE Pseudomonas fluorescens
80000
-
alphabeta-heterodimer, SDS-PAGE Pseudomonas fluorescens
90000
-
beta2-homodimer, SDS-PAGE Pseudomonas fluorescens

Organism

Organism UniProt Comment Textmining
Pseudomonas fluorescens Q93HX6
-
-

Purification (Commentary)

Purification (Comment) Organism
alpha-subunit Pseudomonas fluorescens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-glucosaminate alpha,beta-elimination reaction Pseudomonas fluorescens 2-dehydro-3-deoxy-D-gluconate + NH3
-
?
D-glucosaminate aldolase reaction Pseudomonas fluorescens pyruvate + glyceraldehyde + NH3
-
?
thioredoxin + NADP+ alpha2 homodimer also has thioredoxin reductase activity Pseudomonas fluorescens ? + NADPH
-
?

Subunits

Subunits Comment Organism
dimer 2 * 33900, alpha2-homodimer, SDS-PAGE Pseudomonas fluorescens
dimer 2 * 35000, alpha,beta-heterodimer, SDS-PAGE Pseudomonas fluorescens
dimer 2 * 45000, beta2-homodimer, SDS-PAGE Pseudomonas fluorescens

Synonyms

Synonyms Comment Organism
D-glucosaminate dehydrogenase
-
Pseudomonas fluorescens
EC 4.2.1.26 formerly Pseudomonas fluorescens
EC 4.3.1.21 formerly Pseudomonas fluorescens
GADH
-
Pseudomonas fluorescens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Pseudomonas fluorescens

Cofactor

Cofactor Comment Organism Structure
NADPH dependent Pseudomonas fluorescens
pyridoxal 5'-phosphate
-
Pseudomonas fluorescens