The methylglutaconyl-CoA hydratase, mitochondrial protein binds to the AU-rich element (ARE), a common element found in the 3' UTR of rapidly decaying mRNA such as c-fos, c-myc and granulocyte/ macrophage colony stimulating factor. ARE elements are involved in directing RNA to rapid degradation and deadenylation. AUH is also homologous to enol-CoA hydratase, an enzyme involved in fatty acid degradation, and has been shown to have intrinsic hydratase enzymatic activity. AUH is thus a bifunctional chimera between RNA binding and metabolic enzyme activity. A possible subcellular localization in the mitochondria has been demonstrated for the mouse homolog of this protein which shares 92% identity with the human protein. It has been suggested that AUH may have a novel role as a mitochondrial located AU-binding protein. Human AUH is expressed as a single mRNA species of 1.8 kb, and translated as a 40- kDa precursor protein which is subsequently processed to a 32- kDa mature form.
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Protein Aliases: 3-methylglutaconyl-CoA hydratase; 3-MG-CoA hydratase; AU RNA-binding protein/enoyl-Coenzyme A hydratase; AU-binding protein/Enoyl-CoA hydratase; AU-specific RNA-binding enoyl-CoA hydratase; Itaconyl-CoA hydratase; Methylglutaconyl-CoA hydratase, mitochondrial
Gene Aliases: AUH
UniProt ID: (Human) Q13825
Entrez Gene ID: (Human) 549
Molecular Function: hydratase