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Identification
HMDB Protein ID HMDBP01049
Secondary Accession Numbers
  • 6338
Name Acyl-coenzyme A thioesterase 8
Synonyms
  1. Acyl-CoA thioesterase 8
  2. Choloyl-coenzyme A thioesterase
  3. HIV-Nef-associated acyl-CoA thioesterase
  4. PTE-1
  5. PTE-2
  6. Peroxisomal acyl-coenzyme A thioester hydrolase 1
  7. Peroxisomal long-chain acyl-CoA thioesterase 1
  8. Thioesterase II
  9. hACTE-III
  10. hACTEIII
  11. hTE
Gene Name ACOT8
Protein Type Enzyme
Biological Properties
General Function Involved in acyl-CoA thioesterase activity
Specific Function Acyl-CoA thioesterases are a group of enzymes that catalyze the hydrolysis of acyl-CoAs to the free fatty acid and coenzyme A (CoASH), providing the potential to regulate intracellular levels of acyl-CoAs, free fatty acids and CoASH. May mediate Nef-induced down-regulation of CD4. Major thioesterase in peroxisomes. Competes with BAAT (Bile acid CoA: amino acid N-acyltransferase) for bile acid-CoA substrate (such as chenodeoxycholoyl-CoA). Shows a preference for medium-length fatty acyl-CoAs (By similarity). May be involved in the metabolic regulation of peroxisome proliferation.
Pathways
  • Peroxisome
  • Primary bile acid biosynthesis
Reactions
Choloyl-CoA + Water → Cholic acid + Coenzyme A details
Chenodeoxycholic acid + Coenzyme A → Chenodeoxycholoyl-CoA + Water details
GO Classification
Biological Process
bile acid biosynthetic process
acyl-CoA metabolic process
dicarboxylic acid catabolic process
alpha-linolenic acid metabolic process
fatty acid beta-oxidation using acyl-CoA oxidase
peroxisome fission
virus-host interaction
Cellular Component
mitochondrion
peroxisomal matrix
Function
coa hydrolase activity
hydrolase activity, acting on ester bonds
acyl-coa thioesterase activity
catalytic activity
hydrolase activity
thiolester hydrolase activity
Molecular Function
carboxylesterase activity
palmitoyl-CoA hydrolase activity
choloyl-CoA hydrolase activity
medium-chain acyl-CoA hydrolase activity
Process
acyl-coa metabolic process
metabolic process
cellular metabolic process
cofactor metabolic process
coenzyme metabolic process
Cellular Location
  1. Peroxisome
Gene Properties
Chromosome Location 20
Locus 20q13.12
SNPs ACOT8
Gene Sequence
>960 bp
ATGTCGTCCCCGCAGGCCCCAGAAGATGGGCAGGGCTGTGGCGACCGCGGCGATCCCCCT
GGGGACCTCCGTAGCGTCTTGGTCACGACCGTGCTCAACCTCGAGCCGCTGGACGAGGAT
CTCTTCAGAGGAAGGCATTACTGGGTACCGGCCAAGAGGCTGTTTGGTGGTCAGATCGTG
GGCCAGGCCCTGGTGGCTGCAGCCAAGTCTGTGAGTGAAGACGTCCACGTGCACTCCCTG
CACTGCTACTTTGTTCGGGCAGGGGACCCGAAGCTGCCAGTACTGTACCAAGTGGAGCGG
ACACGAACAGGGTCGAGCTTCTCGGTGCGCTCTGTGAAGGCCGTGCAACATGGGAAGCCC
ATCTTCATCTGCCAGGCCTCCTTCCAGCAGGCCCAGCCCAGCCCCATGCAGCACCAGTTC
TCCATGCCCACTGTGCCACCACCAGAAGAGCTGCTTGACTGTGAGACCCTCATTGACCAG
TATTTAAGGGACCCTAACCTCCAAAAGAGGTACCCATTGGCGCTCAACCGAATTGCTGCT
CAGGAGGTCCCCATTGAGATCAAGCCAGTAAACCCATCCCCCCTGAGCCAGCTGCAGAGA
ATGGAGCCCAAACAGATGTTCTGGGTGCGAGCCCGGGGCTATATTGGCGAGGGCGACATG
AAGATGCACTGCTGCGTGGCCGCCTATATCTCCGACTATGCCTTCTTGGGCACTGCACTG
CTGCCTCACCAGTGGCAGCACAAGGTGCACTTCATGGTCTCACTGGACCATTCCATGTGG
TTCCACGCCCCCTTCCGAGCTGACCACTGGATGCTCTATGAATGCGAGAGCCCCTGGGCC
GGTGGCTCTCGGGGGCTGGTCCATGGGCGGCTGTGGCGTCAGGATGGAGTCCTAGCTGTG
ACCTGTGCCCAGGAGGGCGTGATCCGAGTGAAGCCCCAGGTCTCAGAGAGCAAGCTGTAG
Protein Properties
Number of Residues 319
Molecular Weight 35914.02
Theoretical pI 7.555
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Acyl-coenzyme A thioesterase 8
MSSPQAPEDGQGCGDRGDPPGDLRSVLVTTVLNLEPLDEDLFRGRHYWVPAKRLFGGQIV
GQALVAAAKSVSEDVHVHSLHCYFVRAGDPKLPVLYQVERTRTGSSFSVRSVKAVQHGKP
IFICQASFQQAQPSPMQHQFSMPTVPPPEELLDCETLIDQYLRDPNLQKRYPLALNRIAA
QEVPIEIKPVNPSPLSQLQRMEPKQMFWVRARGYIGEGDMKMHCCVAAYISDYAFLGTAL
LPHQWQHKVHFMVSLDHSMWFHAPFRADHWMLYECESPWAGGSRGLVHGRLWRQDGVLAV
TCAQEGVIRVKPQVSESKL
GenBank ID Protein Not Available
UniProtKB/Swiss-Prot ID O14734
UniProtKB/Swiss-Prot Entry Name ACOT8_HUMAN
PDB IDs Not Available
GenBank Gene ID AF014404
GeneCard ID ACOT8
GenAtlas ID ACOT8
HGNC ID HGNC:15919
References
General References
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  2. Choudhary C, Kumar C, Gnad F, Nielsen ML, Rehman M, Walther TC, Olsen JV, Mann M: Lysine acetylation targets protein complexes and co-regulates major cellular functions. Science. 2009 Aug 14;325(5942):834-40. doi: 10.1126/science.1175371. Epub 2009 Jul 16. [PubMed:19608861 ]
  3. Daub H, Olsen JV, Bairlein M, Gnad F, Oppermann FS, Korner R, Greff Z, Keri G, Stemmann O, Mann M: Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle. Mol Cell. 2008 Aug 8;31(3):438-48. doi: 10.1016/j.molcel.2008.07.007. [PubMed:18691976 ]
  4. Deloukas P, Matthews LH, Ashurst J, Burton J, Gilbert JG, Jones M, Stavrides G, Almeida JP, Babbage AK, Bagguley CL, Bailey J, Barlow KF, Bates KN, Beard LM, Beare DM, Beasley OP, Bird CP, Blakey SE, Bridgeman AM, Brown AJ, Buck D, Burrill W, Butler AP, Carder C, Carter NP, Chapman JC, Clamp M, Clark G, Clark LN, Clark SY, Clee CM, Clegg S, Cobley VE, Collier RE, Connor R, Corby NR, Coulson A, Coville GJ, Deadman R, Dhami P, Dunn M, Ellington AG, Frankland JA, Fraser A, French L, Garner P, Grafham DV, Griffiths C, Griffiths MN, Gwilliam R, Hall RE, Hammond S, Harley JL, Heath PD, Ho S, Holden JL, Howden PJ, Huckle E, Hunt AR, Hunt SE, Jekosch K, Johnson CM, Johnson D, Kay MP, Kimberley AM, King A, Knights A, Laird GK, Lawlor S, Lehvaslaiho MH, Leversha M, Lloyd C, Lloyd DM, Lovell JD, Marsh VL, Martin SL, McConnachie LJ, McLay K, McMurray AA, Milne S, Mistry D, Moore MJ, Mullikin JC, Nickerson T, Oliver K, Parker A, Patel R, Pearce TA, Peck AI, Phillimore BJ, Prathalingam SR, Plumb RW, Ramsay H, Rice CM, Ross MT, Scott CE, Sehra HK, Shownkeen R, Sims S, Skuce CD, Smith ML, Soderlund C, Steward CA, Sulston JE, Swann M, Sycamore N, Taylor R, Tee L, Thomas DW, Thorpe A, Tracey A, Tromans AC, Vaudin M, Wall M, Wallis JM, Whitehead SL, Whittaker P, Willey DL, Williams L, Williams SA, Wilming L, Wray PW, Hubbard T, Durbin RM, Bentley DR, Beck S, Rogers J: The DNA sequence and comparative analysis of human chromosome 20. Nature. 2001 Dec 20-27;414(6866):865-71. [PubMed:11780052 ]
  5. Watanabe H, Shiratori T, Shoji H, Miyatake S, Okazaki Y, Ikuta K, Sato T, Saito T: A novel acyl-CoA thioesterase enhances its enzymatic activity by direct binding with HIV Nef. Biochem Biophys Res Commun. 1997 Sep 8;238(1):234-9. [PubMed:9299485 ]
  6. Liu LX, Margottin F, Le Gall S, Schwartz O, Selig L, Benarous R, Benichou S: Binding of HIV-1 Nef to a novel thioesterase enzyme correlates with Nef-mediated CD4 down-regulation. J Biol Chem. 1997 May 23;272(21):13779-85. [PubMed:9153233 ]
  7. Jones JM, Nau K, Geraghty MT, Erdmann R, Gould SJ: Identification of peroxisomal acyl-CoA thioesterases in yeast and humans. J Biol Chem. 1999 Apr 2;274(14):9216-23. [PubMed:10092594 ]
  8. Ishizuka M, Toyama Y, Watanabe H, Fujiki Y, Takeuchi A, Yamasaki S, Yuasa S, Miyazaki M, Nakajima N, Taki S, Saito T: Overexpression of human acyl-CoA thioesterase upregulates peroxisome biogenesis. Exp Cell Res. 2004 Jul 1;297(1):127-41. [PubMed:15194431 ]
  9. Hunt MC, Alexson SE: The role Acyl-CoA thioesterases play in mediating intracellular lipid metabolism. Prog Lipid Res. 2002 Mar;41(2):99-130. [PubMed:11755680 ]