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Table 5 List of metabolic enzyme activities without an identified mammalian gene

From: Reconstruction of metabolic pathways for the cattle genome

Pathway

Enzyme name

EC number*

Mammalian species

4-hydroxyproline degradation

4-oxoproline reductase

1.1.1.104

human [56], rabbit [56]

Ascorbate biosynthesis

glucuronolactone reductase

1.1.1.20

rat [48, 54]

Ascorbate biosynthesis

1,4-lactonase

3.1.1.25

human [45, 94], rat [45, 94]

β-alanine biosynthesis

3-hydroxypropionate dehydrogenase

1.1.1.59

pig [43], chicken [43]

β-alanine biosynthesis

β-alanine-pyruvate transaminase

2.6.1.18

rat [49]

Cysteine degradataion

hypotaurine dehydrogenase

1.8.1.3

rat [57]

Degradation of purine deoxyribonucleosides

phosphopentomutase

5.4.2.7

human [58], rabbit [58], rat [40, 58]

Glutathione detoxification

cycteine-S-conjugate N-acetyltransferase

2.3.1.80

human [47], rat [44, 47], pig [39, 51]

Histidine degradation

histidine aminotransferase

2.6.1.38

mouse [41]

Lysine degradation

pyrroline-2-carboxylate reductase

1.5.1.1

mouse [46], dog [46], rat [52]

Lysine degradation

L-lysine oxidase

1.4.3.14

mouse [53]

Purine degradation

guanosine deaminase

3.5.4.15

human [50], Rat [42]

Pyridine nucleotide cycling

nicotinamidase

3.5.1.19

mouse [59], rat [55], rabbit [55, 60, 61]

Tryptophan degradation

aminomuconate-semialdehyde dehydrogenase

1.2.1.32

cat [64]

UDP-N-acetylgalactosamine biosynthesis

UDP-N-acetylglucosamine 4-epimerase

5.1.3.7

human [62, 67], rat [63], pig [66]

Valine degradation

pyruvate decarboxylase

4.1.1.1

human [65]

  1. *Enzyme Commission number