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Literature summary for 1.5.1.34 extracted from

  • Bailey, S.W.; Ayling, J.E.
    6,6-Dimethylpterins: stable quinoid dihydropterin substrate for dihydropteridine reductase and tetrahydropterin cofactor for phenylalanine hydroxylase (1983), Biochemistry, 22, 1790-1798.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.004
-
dihydrobiopterin
-
Bos taurus
0.004
-
dihydrobiopterin
-
Ovis aries
0.03
-
6-methyldihydropterin
-
Bos taurus
0.03
-
6,7-dimethyldihydropterin
-
Ovis aries
0.4
-
Quinonoid 6,6-dimethyldihydropterin
-
Bos taurus
0.4
-
Quinonoid 6,6-dimethyldihydropterin
-
Ovis aries

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-
Ovis aries
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6,7-dimethyl-7,8-dihydropterin + NADPH + H+
-
Ovis aries 6,7-dimethyl-5,6,7,8-tetrahydropterin + NADP+
-
?
6-methyldihydropterin + NADH + H+
-
Bos taurus quinoid 6,6-dimethyldihydropterin + NAD+
-
r
dihydrobiopterin + NADH + H+
-
Bos taurus tetrahydrobiopterin + NAD+
-
?
dihydrobiopterin + NADH + H+
-
Ovis aries tetrahydrobiopterin + NAD+
-
?
quinonoid 6,6-dimethyldihydropterin + NAD(P)H
-
Bos taurus 6,6-dimethyltetrahydropterin + NAD(P)+
-
?
quinonoid 6,6-dimethyldihydropterin + NAD(P)H
-
Ovis aries 6,6-dimethyltetrahydropterin + NAD(P)+
-
?
quinonoid 6,7-dimethyl-7,8-(6H)-dihydropterin + NAD(P)H
-
Bos taurus 6,7-dimethyl-5,6,7,8-tetrahydropterin + NAD(P)+
-
?
quinonoid 6,7-dimethyl-7,8-(6H)-dihydropterin + NAD(P)H
-
Ovis aries 6,7-dimethyl-5,6,7,8-tetrahydropterin + NAD(P)+
-
?
quinonoid 6-methyl-7,8-(6H)-dihydropterin + NAD(P)H
-
Bos taurus 6-methyl-5,6,7,8-tetrahydropterin + NAD(P)+
-
?
quinonoid 7,8-(6H)-dihydrobiopterin + NAD(P)H
-
Bos taurus 5,6,7,8-tetrahydrobiopterin + NAD(P)+
-
?
quinonoid 7,8-(6H)-dihydrobiopterin + NAD(P)H
-
Ovis aries 5,6,7,8-tetrahydrobiopterin + NAD(P)+
-
?