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Literature summary for 2.4.1.196 extracted from

  • Upmeier, B.; Thomzik, J.E.; Barz, W.
    Enzymatic studies on the reversible synthesis of nicotinic acid-N-glucoside in heterotrophic parsley cell suspension cultures (1988), Z. Naturforsch. C, 43c, 835-842.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
p-chloromercuribenzoate
-
Petroselinum crispum
Zn2+
-
Petroselinum crispum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.17
-
nicotinic acid
-
Petroselinum crispum
0.22
-
nicotinic acid
-
Petroselinum crispum
1.2
-
UDPglucose
-
Petroselinum crispum
4.3
-
UDPglucose
-
Petroselinum crispum

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Petroselinum crispum
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
additional information no requirement for divalent cations Petroselinum crispum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
46000
-
gel filtration Petroselinum crispum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDPglucose + nicotinate Petroselinum crispum the reversible glucosyltransferase reaction provides free nicotinate for the synthesis of NAD+ and NADP+ in pyridine nucleotide cycle ?
-
?

Organism

Organism UniProt Comment Textmining
Petroselinum crispum
-
Hoffm., parsley
-

Purification (Commentary)

Purification (Comment) Organism
partial Petroselinum crispum

Source Tissue

Source Tissue Comment Organism Textmining
cell suspension culture heterotrophic Petroselinum crispum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Petroselinum crispum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-glucose + catechol
-
Petroselinum crispum ?
-
?
UDP-glucose + nicotinate high specificity for UDPglucose as glucosyl donor Petroselinum crispum UDP + N-glucosylnicotinate
-
r
UDP-glucose + nicotinic acid methyl ester
-
Petroselinum crispum UDP + N-glucosylnicotinic acid methyl ester
-
?
UDP-glucose + vanillic acid
-
Petroselinum crispum ?
-
?
UDP-glucose + vanillin
-
Petroselinum crispum ?
-
?
UDPglucose + nicotinate the reversible glucosyltransferase reaction provides free nicotinate for the synthesis of NAD+ and NADP+ in pyridine nucleotide cycle Petroselinum crispum ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 46000, SDS-PAGE Petroselinum crispum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Petroselinum crispum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8 8.2
-
Petroselinum crispum

pH Range

pH Minimum pH Maximum Comment Organism
5 11 at pH 5 nearly inactive, at pH 11 about 50% of activity maximum Petroselinum crispum