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MitoProteome Human Mitochondrial Protein Database
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Related Proteins
MT000066
UniProt Annotations
Entry Information
Gene Name
AU RNA binding protein/enoyl-CoA hydratase
Protein Entry
AUHM_HUMAN
UniProt ID
Q13825
Species
Human
Comments
Comment type
Description
Alternative Products
Event=Alternative splicing; Named isoforms=2; Name=1; IsoId=Q13825-1; Sequence=Displayed; Name=2; IsoId=Q13825-2; Sequence=VSP_008336; Note=No experimental confirmation available.;
Catalytic Activity
(S)-3-hydroxy-3-methylglutaryl-CoA = trans-3- methylglutaconyl-CoA + H(2)O.
Disease
3-methylglutaconic aciduria 1 (MGA1) [MIM:250950]: An inborn error of leucine metabolism. It leads to an autosomal recessive syndrome with variable clinical phenotype, ranging from delayed speech development to severe psychomotor retardation, coma, failure to thrive, metabolic acidosis and dystonia. MGA1 can be distinguished from other forms of MGA by the pattern of metabolite excretion: 3-methylglutaconic acid levels are higher than those detected in other forms, whereas methylglutaric acid levels are usually only slightly elevated and there is a high level of 3-hydroxyisovaleric acid excretion (not present in other MGA forms). {ECO:0000269|PubMed:12655555}. Note=The disease is caused by mutations affecting the gene represented in this entry.
Function
Catalyzes the conversion of 3-methylglutaconyl-CoA to 3- hydroxy-3-methylglutaryl-CoA. Has very low enoyl-CoA hydratase activity. Was originally identified as RNA-binding protein that binds in vitro to clustered 5'-AUUUA-3' motifs. {ECO:0000269|PubMed:11738050, ECO:0000269|PubMed:12434311, ECO:0000269|PubMed:12655555, ECO:0000269|PubMed:7892223}.
Pathway
Amino-acid degradation; L-leucine degradation; (S)-3- hydroxy-3-methylglutaryl-CoA from 3-isovaleryl-CoA: step 3/3.
Similarity
Belongs to the enoyl-CoA hydratase/isomerase family. {ECO:0000305}.
Subcellular Location
Mitochondrion {ECO:0000250}.
Subunit
Homohexamer.
MitoProteome Human Mitochondrial Protein Database
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