The Enzyme Database

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EC 6.2.1.51     
Accepted name: 4-hydroxyphenylalkanoate adenylyltransferase FadD29
Reaction: (1) ATP + 17-(4-hydroxyphenyl)heptadecanoate + holo-[(phenol)carboxyphthiodiolenone synthase] = AMP + diphosphate + 17-(4-hydroxyphenyl)heptadecanoyl-[(phenol)carboxyphthiodiolenone synthase]
(1a) ATP + 17-(4-hydroxyphenyl)heptadecanoate = diphosphate + 17-(4-hydroxyphenyl)heptadecanoyl-adenylate
(1b) 17-(4-hydroxyphenyl)heptadecanoyl-adenylate + holo-[(phenol)carboxyphthiodiolenone synthase] = AMP + 17-(4-hydroxyphenyl)heptadecanoyl-[(phenol)carboxyphthiodiolenone synthase]
(2) ATP + 19-(4-hydroxyphenyl)nonadecanoate + holo-[(phenol)carboxyphthiodiolenone synthase] = AMP + diphosphate + 19-(4-hydroxyphenyl)nonadecanoyl-[(phenol)carboxyphthiodiolenone synthase]
(2a) ATP + 19-(4-hydroxyphenyl)nonadecanoate = diphosphate + 19-(4-hydroxyphenyl)nonadecanoyl-adenylate
(2b) 19-(4-hydroxyphenyl)nonadecanoyl-adenylate + holo-[(phenol)carboxyphthiodiolenone synthase] = AMP + 19-(4-hydroxyphenyl)nonadecanoyl-[(phenol)carboxyphthiodiolenone synthase]
Other name(s): fadD29 (gene name); 4-hydroxyphenylalkanoate adenylase
Systematic name: 4-hydroxyphenylalkanoate:holo-[(phenol)carboxyphthiodiolenone synthase] ligase
Comments: The 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 the phenolphthiocerol/phthiocerol polyketide synthase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
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]
[EC 6.2.1.51 created 2016 as EC 2.7.7.94, transferred 2017 to EC 6.2.1.51]
 
 


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