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Literature summary for 6.3.4.3 extracted from

  • Strong, W.B.; Schirch, V.
    In vitro conversion of formate to serine: effect of tetrahydropteroylpolyglutamates and serine hydroxymethyltransferase on the rate of 10-formyltetrahydrofolate synthetase (1989), Biochemistry, 28, 9430-9439.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0001
-
5,6,7,8-tetrahydropteroyltetraglutamate tetrahydropteroyl-Glu5 Oryctolagus cuniculus
0.0003
-
5,6,7,8-tetrahydropteroyltriglutamate tetrahydropteroyl-Glu6 Oryctolagus cuniculus
0.0055
-
5,6,7,8-tetrahydropteroyldiglutamate
-
Oryctolagus cuniculus
0.015
-
tetrahydrofolate
-
Oryctolagus cuniculus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + formate + tetrahydrofolate Oryctolagus cuniculus rate-determining step in the conversion of formate to Ser ?
-
?

Organism

Organism UniProt Comment Textmining
Oryctolagus cuniculus
-
trifunctional enzyme with 10-formyltetrahydrofolate synthetase, EC 6.3.4.3, 5,10-methenyltetrahydrofolate cyclohydrolase, EC 3.5.4.9, and 5,10-methylenetetrahydrofolate dehydrogenase activity, EC 1.5.1.5
-

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Oryctolagus cuniculus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Oryctolagus cuniculus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + formate + 5,6,7,8-tetrahydropteroyldiglutamate
-
Oryctolagus cuniculus ADP + phosphate + 10-formyltetrahydrofolyldiglutamate
-
?
ATP + formate + 5,6,7,8-tetrahydropteroyltetraglutamate
-
Oryctolagus cuniculus ADP + phosphate + 10-formyltetrahydrofolyltetraglutamate
-
?
ATP + formate + 5,6,7,8-tetrahydropteroyltriglutamate
-
Oryctolagus cuniculus ADP + phosphate + 10-formyltetrahydrofolyltriglutamate
-
?
ATP + formate + tetrahydrofolate
-
Oryctolagus cuniculus ADP + phosphate + 10-formyltetrahydrofolate
-
?
ATP + formate + tetrahydrofolate rate-determining step in the conversion of formate to Ser Oryctolagus cuniculus ?
-
?
ATP + formate + tetrahydropteroyl-(Glu)n n: 1-6 Oryctolagus cuniculus ADP + phosphate + 10-formyltetrahydropteroyl-(Glu)n
-
?