The Enzyme Database

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EC 4.1.3.25     
Accepted name: (S)-citramalyl-CoA lyase
Reaction: (3S)-citramalyl-CoA = acetyl-CoA + pyruvate
For diagram of the 3-hydroxypropanoate cycle, click here
Other name(s): citramalyl coenzyme A lyase (ambiguous); (+)-CMA-CoA lyase; (3S)-citramalyl-CoA pyruvate-lyase; Mcl (ambiguous); citramalyl-CoA lyase (ambiguous)
Systematic name: (3S)-citramalyl-CoA pyruvate-lyase (acetyl-CoA-forming)
Comments: Requires Mg2+ ions for activity [3]. The enzyme from the bacterium Clostridium tetanomorphum is a component of EC 4.1.3.22, citramalate lyase [2]. It also acts on (3S)-citramalyl thioacyl-carrier protein [2]. The enzyme from the bacterium Chloroflexus aurantiacus also has the activity of EC 4.1.3.24, malyl-CoA lyase [3]. It has no activity with (3R)-citramalyl-CoA (cf. EC 4.1.3.46, (R)-citramalyl-CoA lyase) [3].
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 37290-68-9
References:
1.  Cooper, R.A. and Kornberg, H.L. The utilization of itaconate by Pseudomonas sp. Biochem. J. 91 (1964) 82–91. [PMID: 4284209]
2.  Dimroth, P., Buckel, W., Loyal, R. and Eggerer, H. Isolation and function of the subunits of citramalate lyase and formation of hybrids with the subunits of citrate lyase. Eur. J. Biochem. 80 (1977) 469–477. [PMID: 923590]
3.  Friedmann, S., Alber, B.E. and Fuchs, G. Properties of R-citramalyl-coenzyme A lyase and its role in the autotrophic 3-hydroxypropionate cycle of Chloroflexus aurantiacus. J. Bacteriol. 189 (2007) 2906–2914. [PMID: 17259315]
[EC 4.1.3.25 created 1972, modified 2014]
 
 


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