PXD050316-2

PXD050316 is an original dataset announced via ProteomeXchange.

Title	ACAD10 and ACAD11 join forces to metabolize 4-hydroxy fatty acid
Description	Hydroxylated fatty acids are important intermediates in lipid metabolism and signaling. Surprisingly, the metabolism of 4-hydroxy fatty acids remains largely unexplored. We found that both ACAD10 and ACAD11 unite two enzymatic activities to introduce these metabolites into mitochondrial and peroxisomal β-oxidation, respectively. First, they phosphorylate 4-hydroxyacyl-CoAs via a kinase domain, followed by an elimination of the phosphate to form enoyl-CoAs catalyzed by an acyl-CoA dehydrogenase (ACAD) domain. Studies in knockout cell lines revealed that ACAD10 preferentially metabolizes shorter chain 4-hydroxy fatty acids than ACAD11 (i.e. 6 carbons versus 10 carbons). Yet, recombinant proteins showed comparable activity on the corresponding 4-hydroxyacyl-CoAs. This suggests that the localization of ACAD10 and ACAD11 to mitochondria and peroxisomes, respectively, might influence their physiological substrate spectrum. Interestingly, we observed that ACAD10 is cleaved internally during its maturation generating a C-terminal part consisting of the ACAD domain, and an N-terminal part comprising the kinase domain and a haloacid dehalogenase (HAD) domain. HAD domains often exhibit phosphatase activity, but negligible activity was observed in the case of ACAD10. Yet, inactivation of a presumptive key residue in this domain significantly increased the kinase activity, suggesting that this domain might have acquired a regulatory function to prevent accumulation of the phospho-hydroxyacyl-CoA intermediate. Taken together, our work reveals that 4-hydroxy fatty acids enter mitochondrial and peroxisomal fatty acid β-oxidation via two enzymes with an overlapping substrate repertoire.
HostingRepository	PRIDE
AnnounceDate	2024-10-22
AnnouncementXML	Submission_2024-10-22_06:58:14.162.xml
DigitalObjectIdentifier	https://dx.doi.org/10.6019/PXD050316
ReviewLevel	Peer-reviewed dataset
DatasetOrigin	Original dataset
RepositorySupport	Supported dataset by repository
PrimarySubmitter	Francesco Caligiore
SpeciesList	scientific name: Homo sapiens (Human); NCBI TaxID: 9606;
ModificationList	monohydroxylated residue; iodoacetamide derivatized residue
Instrument	Orbitrap Fusion Lumos

Revision	Datetime	Status	ChangeLog Entry
0	2024-03-04 02:47:00	ID requested
1	2024-09-13 07:52:27	announced
⏵ 2	2024-10-22 06:58:14	announced	2024-10-22: Updated project metadata.

10.1007/S00018-024-05397-8;

10.6019/PXD050316;

submitter keyword: phosphohydroxyacyl-CoA, ACAD11, ACAD10,Beta-oxidation, 4-hydroxy fatty acids

Guido T.
contact affiliation	de Duve Institute UCLouvain and WELBIO
contact email	guido.bommer@uclouvain.be
lab head
Francesco Caligiore
contact affiliation	UCLouvain
contact email	francesco.caligiore@uclouvain.be
dataset submitter

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PRIDE project URI

• PRIDE
  1. PXD050316
     1. Label: PRIDE project
     2. Name: ACAD10 and ACAD11 join forces to metabolize 4-hydroxy fatty acid