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4-hydroxybenzoyl-CoA thioesterase

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4-hydroxybenzoyl-CoA thioesterase
Identifiers
EC no.3.1.2.23
CAS no.141583-19-9
Databases
BRENDAenzyme data
ExPASyNiceZyme view
KEGGenzyme entry
MetaCycmetabolic pathway
Rheareactions
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
Search
PMCarticles
PubMedarticles
NCBIproteins

The enzyme 4-hydroxybenzoyl-CoA thioesterase (EC 3.1.2.23) catalyzes the reaction

 
H2O
 
Rightward reaction arrow with minor substrate(s) from top left
 
 
 
+
 

The enzyme characterised from bacteria hydrolyses 4-hydroxybenzoyl-CoA to coenzyme A and 4-hydroxybenzoic acid, which form the thioester in the starting material. The reaction is part of a biochemical pathway that breaks down chloro-substituted benzoic acids including 4-chlorobenzoic acid in Pseudomonas species.[1][2]

This enzyme is a hydrolase, specifically one acting on thioester bonds. The systematic name is 4-hydroxybenzoyl-CoA hydrolase.[3]

Structural studies

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As of late 2007, 7 structures have been solved for this class of enzymes, with PDB accession codes PDB: 1HN1​, PDB: 1LO7​, PDB: 1LO8​, PDB: 1LO9​, PDB: 1Q4S​, PDB: 1Q4T​, and PDB: 1Q4U​. The enzyme contains a so-called HotDog domain.[4][5]

References

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  1. ↑ Chang KH, Liang PH, Beck W, Scholten JD, Dunaway-Mariano D (1992). "Isolation and characterization of the three polypeptide components of 4-chlorobenzoate dehalogenase from Pseudomonas sp. strain CBS-3". Biochemistry. 31 (24): 5605–10. doi:10.1021/bi00139a025. PMID 1610806.
  2. ↑ Dunaway-Mariano D, Babbitt PC (1994). "On the origins and functions of the enzymes of the 4-chlorobenzoate to 4-hydroxybenzoate converting pathway". Biodegradation. 5 (3–4): 259–76. doi:10.1007/BF00696464. PMID 7765837. S2CID 13250105.
  3. ↑ Enzyme 3.1.2.23 at KEGG Pathway Database.
  4. ↑ Dillon, Shane C.; Bateman, Alex (2004). "The Hotdog fold: Wrapping up a superfamily of thioesterases and dehydratases". BMC Bioinformatics. 5 109. doi:10.1186/1471-2105-5-109. PMC 516016. PMID 15307895.
  5. ↑ Song, Feng; Thoden, James B.; Zhuang, Zhihao; Latham, John; Trujillo, Michael; Holden, Hazel M.; Dunaway-Mariano, Debra (2012). "The Catalytic Mechanism of the Hotdog-fold Enzyme Superfamily 4-Hydroxybenzoyl-CoA Thioesterase from Arthrobacter sp. Strain SU". Biochemistry. 51 (35): 7000–7016. doi:10.1021/bi301059m. PMC 4710518. PMID 22873756.