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Literature summary for 1.5.1.34 extracted from

  • Musacchio, J.M.
    Beef adrenal medulla dihydropteridine reductase (1969), Biochim. Biophys. Acta, 191, 485-487.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
aminopterin no inhibition up to 0.1 mM Bos taurus
methotrexate no inhibition up to 0.1 mM Bos taurus
additional information enzyme from adrenal medulla, not inhibited by aminopterin and methotrexate Bos taurus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
quinonoid 7,8-(6H)-dihydrobiopterin + NAD(P)H Bos taurus may also have an important role in regulation of catecholamine synthesis 5,6,7,8-tetrahydrobiopterin + NAD(P)+
-
?

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
adrenal medulla
-
Bos taurus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
quinonoid 6,7-dimethyl-7,8-(6H)-dihydropterin + NAD(P)H enzyme from adrenal medulla Bos taurus 6,7-dimethyl-5,6,7,8-tetrahydropterin + NAD(P)+
-
?
quinonoid 7,8-(6H)-dihydrobiopterin + NAD(P)H may also have an important role in regulation of catecholamine synthesis Bos taurus 5,6,7,8-tetrahydrobiopterin + NAD(P)+
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
80
-
1 min, inactivation Bos taurus

Cofactor

Cofactor Comment Organism Structure
NADH utilizes both NADH and NADPH Bos taurus
NADPH utilizes both NADH and NADPH Bos taurus