UniprotKB/SwissProt ID: P14604 (P14604)
Gene Name:
Echs1
Organism: Rattus norvegicus (Rat)
Function: Converts unsaturated trans-2-enoyl-CoA species ((2E)-enoyl-CoA) to the corresponding 3(S)-3-hydroxyacyl-CoA species through addition of a water molecule to the double bond (PubMed:10074351, PubMed:7883013). Catalyzes the hydration of medium- and short-chained fatty enoyl-CoA thioesters from 4 carbons long (C4) up to C16 (PubMed:10074351, PubMed:7883013). Has high substrate specificity for crotonyl-CoA ((2E)-butenoyl-CoA) and moderate specificity for acryloyl-CoA, 3-methylcrotonyl-CoA (3-methyl-(2E)-butenoyl-CoA) and methacrylyl-CoA ((2E)-2-methylpropenoyl-CoA). Can bind tiglyl-CoA (2-methylcrotonoyl-CoA), but hydrates only a small amount of this substrate (By similarity). Plays a key role in the beta-oxidation spiral of short- and medium-chain fatty acid oxidation (PubMed:7883013). At a lower rate than the hydratase reaction, catalyzes the isomerase reaction of trans-3-enoyl-CoA species (such as (3E)-hexenoyl-CoA) to trans-2-enoyl-CoA species (such as (2E)-hexenoyl-CoA), which are subsequently hydrated to 3(S)-3-hydroxyacyl-CoA species (such as (3S)-hydroxyhexanoyl-CoA) (PubMed:10074351)
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Mitochondrion matrix
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