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Literature summary for 1.2.1.19 extracted from

  • Prieto-Santos, M.I.; Martin-Checa, J.; Balane-Fouce, R.; Garrido-Pertierra, A.
    A pathway for putrescine catabolism in Escherichia coli (1986), Biochim. Biophys. Acta, 880, 242-244.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.018
-
DELTA1-pyrroline
-
Escherichia coli
0.0225
-
putrescine
-
Escherichia coli
0.037
-
NAD+
-
Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4-aminobutanal + NAD+ + H2O Escherichia coli role in putrescine degradative pathway 4-aminobutanoate + NADH + H+
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
K-12
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.005
-
wild type strain, succinate used as C-source and NH3 used as N-source Escherichia coli
0.047
-
4-aminobutyrate positive mutant, 4-aminobutyrate used as C-source and NH3 used as N-source Escherichia coli
0.056
-
4-aminobutyrate positive mutant, succinate used as C-source and NH3 used as N-source Escherichia coli
0.073
-
4-aminobutyrate positive mutant, 4-aminobutyrate used as C-source and as N-source Escherichia coli
0.211
-
putrescine positive mutant, putrescine used as C-source and as N-source Escherichia coli
0.24
-
putrescine positive mutant, putrescine used as C-source and NH3 used as N-source Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-aminobutanal + NAD+ + H2O
-
Escherichia coli 4-aminobutanoate + NADH + H+
-
?
4-aminobutanal + NAD+ + H2O role in putrescine degradative pathway Escherichia coli 4-aminobutanoate + NADH + H+
-
?
DELTA1-pyrroline + NAD+ + H2O
-
Escherichia coli 4-aminobutanoate + NADH + H+
-
r
putrescine + NAD+ + H2O
-
Escherichia coli ?
-
r

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.4
-
in the presence of sodium citrate buffer Escherichia coli

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Escherichia coli