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Literature summary for 4.3.1.4 extracted from

  • Findlay, W.A.; MacKenzie, R.E.
    Dissociation of the octameric bifunctional enzyme formiminotransferase-cyclodeaminase in urea. Isolation of two monofunctional dimers (1987), Biochemistry, 26, 1948-1954.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Urea complete inhibition at a concentration of 1 M in triethanolamine hdrochloride buffer, folate and pteroylpolyglutamates protect Sus scrofa

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
5-formiminotetrahydrofolate Sus scrofa
-
?
-
?
additional information Sus scrofa folate-dependent bifunctional enzyme formiminoglutamate: tetrahydrofolate formiminotransferase-formiminotetrahydrofolate cyclodeaminase catalyzes two sequential reactions of the histidine degradation pathway ?
-
?
additional information Sus scrofa direct transfer of the formimino intermediates between the active sites of the formiminotransferase-cyclodeaminase enzyme complex, with complete "channeling" of the pentaglutamate ?
-
?

Organism

Organism UniProt Comment Textmining
Sus scrofa
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Sus scrofa
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Sus scrofa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5-formiminotetrahydrofolate 5-formiminotetrahydropteroylglutamate Sus scrofa 5,10-methenyltetrahydrofolate + NH3
-
r
5-formiminotetrahydrofolate
-
Sus scrofa ?
-
?
additional information folate-dependent bifunctional enzyme formiminoglutamate: tetrahydrofolate formiminotransferase-formiminotetrahydrofolate cyclodeaminase catalyzes two sequential reactions of the histidine degradation pathway Sus scrofa ?
-
?
additional information direct transfer of the formimino intermediates between the active sites of the formiminotransferase-cyclodeaminase enzyme complex, with complete "channeling" of the pentaglutamate Sus scrofa ?
-
?