A

1. choline + A = betaine aldehyde + AH2

Catalysed by CHDH

1. (R)-malate + A = oxaloacetate + AH2

Catalysed by D2HGDH

1. N(6),N(6)-dimethyl-L-lysyl(4)-[histone H3] + 2 A + 2 H2O = L-lysyl(4)-[histone H3] + 2 formaldehyde + 2 AH2

Catalysed by KDM1A, KDM1BOne of 3 routes

1. all-trans-13,14-dihydroretinol + A = all-trans-retinol + AH2

Catalysed by RETSAT

1. A + NADH + H(+) = AH2 + NAD(+)

Catalysed by AIFM1, PYROXD1One of 19 routes

1. Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O

Catalysed by MOCOS

1. uridine(34) in tRNA + 5,10-methylenetetrahydrofolate + taurine + GTP + A + H2O = 5-taurinomethyluridine(34) in tRNA + 7,8-dihydrofolate + GDP + AH2 + phosphate + H(+)

Catalysed by MTO1

1. a 2,3-saturated acyl-CoA + A = a 2,3-dehydroacyl-CoA + AH2

Catalysed by ACAD10

1. Fe(II)-heme o + 2 A + H2O = Fe(II)-heme a + 2 AH2

Catalysed by COX15

1. Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O

Catalysed by MOCOS

1. Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
2. N-acetylglutamate synthase (N-acetyl-L-cysteine)

Catalysed by MOCOS, NAGSmitochondrial matrixOne of 3 routes

1. A + NADH + H(+) = AH2 + NAD(+)
2. GTP + AH2 + S-adenosyl-L-methionine = (8S)-3',8-cyclo-7,8-dihydroguanosine 5'-triphosphate + 5'-deoxyadenosine + L-methionine + A + H(+)

Catalysed by AIFM1, PYROXD1, MOCS1