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Literature summary for 1.1.1.48 extracted from

  • Wong, T.Y.; Yao, X.T.
    The deLey-Doudoroff pathway of galactose metabolism in Azotobacter vinelandii (1994), Appl. Environ. Microbiol., 60, 2065-2068.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.125
-
NAD+
-
Azotobacter vinelandii
0.14
-
NAD+
-
Pelomonas saccharophila
0.24
-
NAD+
-
Pseudomonas fluorescens
0.5
-
D-galactose
-
Azotobacter vinelandii
0.7
-
D-galactose
-
Pseudomonas fluorescens
1
-
D-galactose
-
Pelomonas saccharophila

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Pseudomonas fluorescens 5737
-
cytoplasm
-
Azotobacter vinelandii 5737
-
cytoplasm
-
Pelomonas saccharophila 5737
-
cytoplasm
-
Rhizobium meliloti L5-30 5737
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
74000
-
gel filtration Azotobacter vinelandii

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
D-galactose + NAD+ Pseudomonas fluorescens
-
D-galactono-1,5-lactone + NADH
-
?
D-galactose + NAD+ Azotobacter vinelandii
-
D-galactono-1,5-lactone + NADH
-
?
D-galactose + NAD+ Pelomonas saccharophila
-
D-galactono-1,5-lactone + NADH
-
?
D-galactose + NAD+ Rhizobium meliloti L5-30
-
D-galactono-1,5-lactone + NADH
-
?
D-galactose + NADP+ Pseudomonas fluorescens
-
D-galactono-1,5-lactone + NADPH
-
?
D-galactose + NADP+ Rhizobium meliloti L5-30
-
D-galactono-1,5-lactone + NADPH
-
?

Organism

Organism UniProt Comment Textmining
Azotobacter vinelandii
-
-
-
Pelomonas saccharophila
-
-
-
Pseudomonas fluorescens
-
-
-
Rhizobium meliloti L5-30
-
-
-

Purification (Commentary)

Purification (Comment) Organism
Mono Q column, partially purified enzyme Azotobacter vinelandii

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
36
-
-
Rhizobium meliloti L5-30
76
-
substrate L-arabinose Rhizobium meliloti L5-30
202
-
-
Pelomonas saccharophila
260
-
-
Azotobacter vinelandii
272
-
coenzyme NADP+ Rhizobium meliloti L5-30
390
-
substrate L-arabinose Azotobacter vinelandii
849
-
-
Pseudomonas fluorescens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6-deoxy-alpha-D-galactose + NAD+
-
Pseudomonas fluorescens 6-deoxy-galactono-1,5-lactone + NADH
-
?
6-deoxy-alpha-D-galactose + NAD+
-
Azotobacter vinelandii 6-deoxy-galactono-1,5-lactone + NADH
-
?
6-deoxy-alpha-D-galactose + NAD+
-
Pelomonas saccharophila 6-deoxy-galactono-1,5-lactone + NADH
-
?
D-galactose + NAD+
-
Pseudomonas fluorescens D-galactono-1,5-lactone + NADH
-
?
D-galactose + NAD+
-
Azotobacter vinelandii D-galactono-1,5-lactone + NADH
-
?
D-galactose + NAD+
-
Pelomonas saccharophila D-galactono-1,5-lactone + NADH
-
?
D-galactose + NAD+
-
Rhizobium meliloti L5-30 D-galactono-1,5-lactone + NADH
-
?
D-galactose + NADP+
-
Pseudomonas fluorescens D-galactono-1,5-lactone + NADPH
-
?
D-galactose + NADP+
-
Rhizobium meliloti L5-30 D-galactono-1,5-lactone + NADPH
-
?
L-arabinose + NAD+
-
Pseudomonas fluorescens L-arabinono-1,4-lactone + NADH
-
?
L-arabinose + NAD+
-
Pelomonas saccharophila L-arabinono-1,4-lactone + NADH
-
?
L-arabinose + NAD+
-
Rhizobium meliloti L5-30 L-arabinono-1,4-lactone + NADH
-
?
L-arabinose + NAD+ 1 mM, better substrate than D-galactose Azotobacter vinelandii L-arabinono-1,4-lactone + NADH
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
-
Azotobacter vinelandii
9.1 9.5
-
Pseudomonas fluorescens