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Literature summary for 1.3.1.98 extracted from

  • Taku, A.; Anwar, R.A.
    Biosynthesis of uridine diphospho-N-acetylmuramic acid. IV. Activation of uridine diphospho-N-acetylenolpyruvylglucosamine reductase by monovalent cations (1973), J. Biol. Chem., 248, 4971-4976.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Cs+
-
Enterobacter cloacae
Li+ slight, in presence of K+ Enterobacter cloacae
Mg2+ markedly inhibits stimulatory effect of K+ Enterobacter cloacae
Mn2+ markedly inhibits stimulatory effect of K+ Enterobacter cloacae
N-ethylmaleimide Na+ and K+ provide small but definite protection against inactivation by N-ethylmaleimide Enterobacter cloacae
Na+ slight, in presence of K+ Enterobacter cloacae

Metals/Ions

Metals/Ions Comment Organism Structure
K+ one K+ binding site per catalytic center Enterobacter cloacae
K+ effect on pH optimum and Km Enterobacter cloacae
Li+
-
Enterobacter cloacae
Na+
-
Enterobacter cloacae
NH4+
-
Enterobacter cloacae
Rb+
-
Enterobacter cloacae
Tl+ affinity about 8 times greater than K+, activation in decreasing order: Tl+, K+, NH4+, Rb+, Li+, Na+ Enterobacter cloacae

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
35500
-
gel filtration Enterobacter cloacae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-N-acetyl-3-O-(1-carboxyvinyl)-D-glucosamine + NADPH Enterobacter cloacae
-
UDP-N-acetyl-3-D-muramate + NADP+
-
?
UDP-N-acetyl-3-O-(1-carboxyvinyl)-D-glucosamine + NADPH Enterobacter cloacae NRC 492
-
UDP-N-acetyl-3-D-muramate + NADP+
-
?

Organism

Organism UniProt Comment Textmining
Enterobacter cloacae
-
NRC 492
-
Enterobacter cloacae NRC 492
-
NRC 492
-

Purification (Commentary)

Purification (Comment) Organism
-
Enterobacter cloacae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.84
-
-
Enterobacter cloacae

Storage Stability

Storage Stability Organism
-20°C, 0.05 M Tris-HCl buffer, pH 8.0, 1 mM dithiothreitol, 30% glycerol, stable for over three months Enterobacter cloacae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-N-acetyl-3-O-(1-carboxyvinyl)-D-glucosamine + NADPH
-
Enterobacter cloacae UDP-N-acetyl-3-D-muramate + NADP+
-
?
UDP-N-acetyl-3-O-(1-carboxyvinyl)-D-glucosamine + NADPH
-
Enterobacter cloacae NRC 492 UDP-N-acetyl-3-D-muramate + NADP+
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.1 8.5
-
Enterobacter cloacae

Cofactor

Cofactor Comment Organism Structure
NADPH
-
Enterobacter cloacae