The Enzyme Database

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Accepted name: 4-hydroxybenzoate adenylyltransferase FadD22
Reaction: ATP + 4-hydroxybenzoate + holo-[4-hydroxyphenylalkanoate synthase] = AMP + diphosphate + 4-hydroxybenzoyl-[4-hydroxyphenylalkanoate synthase] (overall reaction)
(1a) ATP + 4-hydroxybenzoate = 4-hydroxybenzoyl-adenylate + diphosphate
(1b) 4-hydroxybenzoyl-adenylate + holo-[4-hydroxyphenylalkanoate synthase] = AMP + 4-hydroxybenzoyl-[4-hydroxyphenylalkanoate synthase]
Other name(s): fadD22 (gene name); 4-hydroxybenzoate adenylase
Systematic name: 4-hydroxybenzoate:holo-[4-hydroxyphenylalkanoate synthase] ligase (AMP-forming)
Comments: This mycobacterial enzyme participates in the biosynthesis of phenolphthiocerols. Following the substrate’s activation by adenylation, it is transferred to an acyl-carrier protein domain within the enzyme, from which it is transferred to EC, 4-hydroxyphenylalkanoate synthase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Simeone, R., Leger, M., Constant, P., Malaga, W., Marrakchi, H., Daffe, M., Guilhot, C. and Chalut, C. Delineation of the roles of FadD22, FadD26 and FadD29 in the biosynthesis of phthiocerol dimycocerosates and related compounds in Mycobacterium tuberculosis. FEBS J. 277 (2010) 2715–2725. [DOI] [PMID: 20553505]
2.  Vergnolle, O., Chavadi, S.S., Edupuganti, U.R., Mohandas, P., Chan, C., Zeng, J., Kopylov, M., Angelo, N.G., Warren, J.D., Soll, C.E. and Quadri, L.E. Biosynthesis of cell envelope-associated phenolic glycolipids in Mycobacterium marinum. J. Bacteriol. 197 (2015) 1040–1050. [DOI] [PMID: 25561717]
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