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MS
unreviewed

Multiple pathway-specific catabolic enzymes

1 reactions · 1 pathways

What it does, reaction by reaction

1 reactions

Amino Acid Catabolism Overview (glucogenic vs. ketogenic amino acids; brief overview of branched-chain amino acid catabolism and phenylalanine/tyrosine catabolism as representative examples) Amino Acid & Nitrogen Metabolism · Cytosol + mitochondrion

step 2 Irreversible/directional

Glucogenic carbon skeleton → pyruvate or a gluconeogenic TCA-cycle intermediate

Converts Amino acid carbon skeleton (glucogenic) into Pyruvate Oxaloacetate Alpha-ketoglutarate Succinyl-CoA Fumarate

Notes

Multiple pathway-specific enzymes produce pyruvate (alanine, serine, glycine, cysteine, threonine, tryptophan), oxaloacetate (aspartate, asparagine), α-ketoglutarate (glutamate, glutamine, proline, arginine, histidine), succinyl-CoA (valine, isoleucine, methionine, threonine), or fumarate (phenylalanine, tyrosine). Conversion of these intermediates to glucose requires hepatic or renal gluconeogenesis and consumes ATP/GTP and reducing power; entry into the TCA cycle alone is not synonymous with net glucose production.

Showing all 1 reactions.

What accelerates and inhibits it

Regulation is pathway-specific, so each context is listed separately

0 entries

No regulation recorded for this enzyme in the source documents.

Recent literature

No articles returned.