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Literature summary for 1.1.1.153 extracted from

  • Matsubara, M.; Katoh, S.; Akino, M.; Kaufman, S.
    Sepiapterin reductase (1966), Biochim. Biophys. Acta, 122, 202-212.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
2,4-dinitrophenol 0.1 mM: 89% inhibition Rattus norvegicus
p-mercuribenzoate 0.1 mM, 93% inhibition Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.041
-
sepiapterin at pH 6.0 Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
6-(S)-lactoyl-7,8-dihydropterin + NADPH Rattus norvegicus
-
6-(L-erythro-1',2'-dihydroxypropyl)-7,8-dihydropterin + NADP+
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
liver Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6-(S)-lactoyl-7,8-dihydropterin + NADPH
-
Rattus norvegicus 6-(L-erythro-1',2'-dihydroxypropyl)-7,8-dihydropterin + NADP+
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5
-
in potassium phosphate buffer Rattus norvegicus

pH Stability

pH Stability pH Stability Maximum Comment Organism
5.5
-
unstable Rattus norvegicus

Cofactor

Cofactor Comment Organism Structure
NADH activity one-half that of NADPH Rattus norvegicus
NADPH
-
Rattus norvegicus