The Enzyme Database

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Accepted name: 3-hydroxypropionyl-CoA synthase
Reaction: 3-hydroxypropanoate + ATP + CoA = 3-hydroxypropanoyl-CoA + AMP + diphosphate
For diagram of the 3-hydroxypropanoate cycle, click here and for diagram of the 3-hydroxypropanoate/4-hydroxybutanoate cycle and dicarboxylate/4-hydroxybutanoate cycle in archaea, click here
Glossary: 3-hydroxypropionyl-CoA = 3-hydroxypropanoyl-CoA
Other name(s): 3-hydroxypropionyl-CoA synthetase (AMP-forming); 3-hydroxypropionate—CoA ligase
Systematic name: hydroxypropanoate:CoA ligase (AMP-forming)
Comments: Catalyses a step in the 3-hydroxypropanoate/4-hydroxybutanoate cycle, an autotrophic CO2 fixation pathway found in some thermoacidophilic archaea [1,2].The enzymes from Metallosphaera sedula and Sulfolobus tokodaii can also use propionate, acrylate, acetate, and butanoate as substrates [2], and are thus different from EC (propionate—CoA ligase), which does not accept acetate or butanoate.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Berg, I.A., Kockelkorn, D., Buckel, W. and Fuchs, G. A 3-hydroxypropionate/4-hydroxybutyrate autotrophic carbon dioxide assimilation pathway in Archaea. Science 318 (2007) 1782–1786. [DOI] [PMID: 18079405]
2.  Alber, B.E., Kung, J.W. and Fuchs, G. 3-Hydroxypropionyl-coenzyme A synthetase from Metallosphaera sedula, an enzyme involved in autotrophic CO2 fixation. J. Bacteriol. 190 (2008) 1383–1389. [DOI] [PMID: 18165310]
[EC created 2009]

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