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Literature summary for 1.1.1.193 extracted from

  • Burrows, R.B.; Brown, G.M.
    Presence in Escherichia coli of a deaminase and a reductase involved in biosynthesis of riboflavin (1978), J. Bacteriol., 136, 657-667.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.005
-
NADPH
-
Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
37000
-
gel filtration Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
5-amino-2,6-dioxy-4-(5'-phosphoribosylamino)pyrimidine + NADPH Escherichia coli intermediate in the biosynthesis of riboflavin 5-amino-2,6-dioxy-4-(5'-phosphoribitylamino)pyrimidine + NADP+
-
?
5-amino-2,6-dioxy-4-(5'-phosphoribosylamino)pyrimidine + NADPH Escherichia coli B / ATCC 11303 intermediate in the biosynthesis of riboflavin 5-amino-2,6-dioxy-4-(5'-phosphoribitylamino)pyrimidine + NADP+
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-
Escherichia coli B / ATCC 11303
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Escherichia coli

Source Tissue

Source Tissue Comment Organism Textmining
cell culture
-
Escherichia coli
-

Storage Stability

Storage Stability Organism
-6°C, 50 mM Tris-HCl, pH 8.0, 1 month Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5-amino-2,6-dioxy-4-(5'-phosphoribosylamino)pyrimidine + NADPH intermediate in the biosynthesis of riboflavin Escherichia coli 5-amino-2,6-dioxy-4-(5'-phosphoribitylamino)pyrimidine + NADP+
-
?
5-amino-2,6-dioxy-4-(5'-phosphoribosylamino)pyrimidine + NADPH intermediate in the biosynthesis of riboflavin Escherichia coli B / ATCC 11303 5-amino-2,6-dioxy-4-(5'-phosphoribitylamino)pyrimidine + NADP+
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Escherichia coli

Cofactor

Cofactor Comment Organism Structure
NADH 30% as effective as NADPH Escherichia coli
NADPH
-
Escherichia coli