Malonyl-S-ACP decarboxylase

Malonyl-S-ACP decarboxylase (EC 4.1.1.87, malonyl-S-acyl-carrier protein decarboxylase, MdcD/MdcE, MdcD,E) is an enzyme with systematic name malonyl-(acyl-carrier-protein) carboxy-lyase.[1][2][3][4][5] This enzyme catalyses the following chemical reaction

a malonyl-[acyl-carrier protein] + H⁺

\rightleftharpoons

an acetyl-[acyl-carrier protein] + CO₂

This enzyme comprises the beta and gamma subunits of the enzyme EC 4.1.1.88.

References

Schmid M, Berg M, Hilbi H, Dimroth P (April 1996). "Malonate decarboxylase of Klebsiella pneumoniae catalyses the turnover of acetyl and malonyl thioester residues on a coenzyme-A-like prosthetic group". European Journal of Biochemistry. 237 (1): 221–8. doi:10.1111/j.1432-1033.1996.0221n.x. PMID 8620876.
Koo JH, Kim YS (December 1999). "Functional evaluation of the genes involved in malonate decarboxylation by Acinetobacter calcoaceticus". European Journal of Biochemistry. 266 (2): 683–90. doi:10.1046/j.1432-1327.1999.00924.x. PMID 10561613.
Handa S, Koo JH, Kim YS, Floss HG (October 1999). "Stereochemical course of biotin-independent malonate decarboxylase catalysis". Archives of Biochemistry and Biophysics. 370 (1): 93–6. doi:10.1006/abbi.1999.1369. PMID 10496981.
Chohnan S, Akagi K, Takamura Y (January 2003). "Functions of malonate decarboxylase subunits from Pseudomonas putida". Bioscience, Biotechnology, and Biochemistry. 67 (1): 214–7. doi:10.1271/bbb.67.214. PMID 12619701.
Dimroth P, Hilbi H (July 1997). "Enzymic and genetic basis for bacterial growth on malonate". Molecular Microbiology. 25 (1): 3–10. doi:10.1046/j.1365-2958.1997.4611824.x. PMID 11902724.

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Carbon–carbon lyases (EC 4.1)
4.1.1: Carboxy-lyases	Acetoacetate decarboxylase Adenosylmethionine decarboxylase Arginine decarboxylase Aromatic L-amino acid decarboxylase Glutamate decarboxylase Histidine decarboxylase Lysine decarboxylase Malonyl-CoA decarboxylase Ornithine decarboxylase Oxaloacetate decarboxylase Phosphoenolpyruvate carboxykinase Phosphoenolpyruvate carboxylase Phosphoribosylaminoimidazole carboxylase Pyrophosphomevalonate decarboxylase Pyruvate decarboxylase RuBisCO Uridine monophosphate synthetase/Orotidine 5'-phosphate decarboxylase Uroporphyrinogen III decarboxylase
4.1.2: Aldehyde-lyases	Fructose-bisphosphate aldolase Aldolase A Aldolase B Aldolase C 2-hydroxyphytanoyl-CoA lyase Threonine aldolase
4.1.3: Oxo-acid-lyases	Isocitrate lyase 3-hydroxy-3-methylglutaryl-CoA lyase
4.1.99: Other	Tryptophanase Photolyase CPD lyase Spore photoproduct lyase

Enzymes
Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis
Regulation	Allosteric regulation Cooperativity Enzyme inhibitor Enzyme activator
Classification	EC number Enzyme superfamily Enzyme family List of enzymes
Kinetics	Enzyme kinetics Eadie–Hofstee diagram Hanes–Woolf plot Lineweaver–Burk plot Michaelis–Menten kinetics
Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list) EC7 Translocases (list)