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Table 2 Key enzymes relevant to formate pathways identified by blasting the U. isabellina genome

From: Exploring eukaryotic formate metabolisms to enhance microbial growth and lipid accumulation

Name

Reaction

NAD-dependent formate dehydrogenase (FDH, EC 1.2.1.1)

Formate + NAD+ ↔ CO2 + NADH + H+

Formate tetrahydrofolate ligase (EC6.3.4.3)

ATP + formate + tetrahydrofolate ↔ ADP + phosphate + 10-formyltetrahydrofolate

Methenyltetrahydrofolate cyclohydrolase/dehydrogenase (EC3.5.4.9 and 1.5.1.5/15)

5,10-Methenyltetrahydrofolate + H2O ↔ 10-formyltetrahydrofolate

Glycine dehydrogenase (EC1.4.1.10)

Glycine + H2O + NAD + ↔ glyoxylate + NH3 + NADH + H+

Aminomethyltransferase (EC2.1.2.10)

Glycine + tetrahydrofolate + NAD+ ↔ 5,10-methylene-tetrahydrofolate + ammonium + CO2 + NADH

Dihydrolipoyl dehydrogenase (EC1.8.1.4)

Protein N6-(dihydrolipoyl)lysine + NAD+ ↔ protein N6-(lipoyl)lysine + NADH + H+

Serine hydroxymethyltransferase (EC2.1.2.1)

5,10-Methylenetetrahydrofolate + glycine + H2O ↔ tetrahydrofolate + l-serine

Serine deaminase (EC4.3.1.17)

l-serine ↔ pyruvate + NH3