The Enzyme Database

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Accepted name: 4-hydroxybutyrate—CoA ligase (AMP-forming)
Reaction: ATP + 4-hydroxybutanoate + CoA = AMP + diphosphate + 4-hydroxybutanoyl-CoA
For diagram of the 3-hydroxypropanoate/4-hydroxybutanoate cycle and dicarboxylate/4-hydroxybutanoate cycle in archaea, click here
Other name(s): 4-hydroxybutyrate-CoA synthetase (ambiguous); 4-hydroxybutyrate:CoA ligase (ambiguous); hbs (gene name); 4-hydroxybutyrate—CoA ligase
Systematic name: 4-hydroxybutanoate:CoA ligase (AMP-forming)
Comments: Isolated from the archaeon Metallosphaera sedula. Involved in the 3-hydroxypropanoate/4-hydroxybutanoate cycle. cf. EC, 4-hydroxybutyrate—CoA ligase (ADP-forming).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Ramos-Vera, W.H., Weiss, M., Strittmatter, E., Kockelkorn, D. and Fuchs, G. Identification of missing genes and enzymes for autotrophic carbon fixation in crenarchaeota. J. Bacteriol. 193 (2011) 1201–1211. [DOI] [PMID: 21169482]
2.  Hawkins, A.S., Han, Y., Bennett, R.K., Adams, M.W. and Kelly, R.M. Role of 4-hydroxybutyrate-CoA synthetase in the CO2 fixation cycle in thermoacidophilic archaea. J. Biol. Chem. 288 (2013) 4012–4022. [DOI] [PMID: 23258541]
[EC created 2014, modified 2019]

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