The Enzyme Database

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Accepted name: acetyl-S-ACP:malonate ACP transferase
Reaction: an acetyl-[acyl-carrier protein] + malonate = a malonyl-[acyl-carrier protein] + acetate
For diagram of malonate decarboxylase, click here
Other name(s): acetyl-S-ACP:malonate ACP-SH transferase; acetyl-S-acyl-carrier protein:malonate acyl-carrier-protein-transferase; MdcA; MadA; ACP transferase; malonate/acetyl-CoA transferase; malonate:ACP transferase; acetyl-S-acyl carrier protein:malonate acyl carrier protein-SH transferase
Systematic name: acetyl-[acyl-carrier-protein]:malonate S-[acyl-carrier-protein]transferase
Comments: This is the first step in the catalysis of malonate decarboxylation and involves the exchange of an acetyl thioester residue bound to the activated acyl-carrier protein (ACP) subunit of the malonate decarboxylase complex for a malonyl thioester residue [2]. This enzyme forms the α subunit of the multienzyme complexes biotin-independent malonate decarboxylase (EC and biotin-dependent malonate decarboxylase (EC The enzyme can also use acetyl-CoA as a substrate but more slowly [4].
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Hilbi, H. and Dimroth, P. Purification and characterization of a cytoplasmic enzyme component of the Na+-activated malonate decarboxylase system of Malonomonas rubra: acetyl-S-acyl carrier protein: malonate acyl carrier protein-SH transferase. Arch. Microbiol. 162 (1994) 48–56. [PMID: 18251085]
2.  Hoenke, S., Schmid, M. and Dimroth, P. Sequence of a gene cluster from Klebsiella pneumoniae encoding malonate decarboxylase and expression of the enzyme in Escherichia coli. Eur. J. Biochem. 246 (1997) 530–538. [DOI] [PMID: 9208947]
3.  Koo, J.H. and Kim, Y.S. Functional evaluation of the genes involved in malonate decarboxylation by Acinetobacter calcoaceticus. Eur. J. Biochem. 266 (1999) 683–690. [DOI] [PMID: 10561613]
4.  Chohnan, S., Akagi, K. and Takamura, Y. Functions of malonate decarboxylase subunits from Pseudomonas putida. Biosci. Biotechnol. Biochem. 67 (2003) 214–217. [DOI] [PMID: 12619701]
5.  Dimroth, P. and Hilbi, H. Enzymic and genetic basis for bacterial growth on malonate. Mol. Microbiol. 25 (1997) 3–10. [DOI] [PMID: 11902724]
[EC created 2008, modified 2018]

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