The Enzyme Database

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Accepted name: (5-formylfuran-3-yl)methyl phosphate synthase
Reaction: 2 D-glyceraldehyde 3-phosphate = (5-formylfuran-3-yl)methyl phosphate + phosphate + 2 H2O
For diagram of methanofuran biosynthesis, click here
Glossary: (5-formylfuran-3-yl)methyl phosphate = 4-(hydroxymethyl)furan-2-carboxaldehyde phosphate
Other name(s): mfnB (gene name); 4-HFC-P synthase; 4-(hydroxymethyl)-2-furaldehyde phosphate synthase
Systematic name: D-glyceraldehyde-3-phosphate phosphate-lyase [D-glyceraldehyde-3-phosphate-adding; (5-formylfuran-3-yl)methyl-phosphate-forming]
Comments: The enzyme catalyses the reaction in the direction of producing (5-formylfuran-3-yl)methyl phosphate, an intermediate in the biosynthesis of methanofuran. The sequence of events starts with the removal of a phosphate group, followed by aldol condensation and cyclization. Methanofuran is a carbon-carrier cofactor involved in the first step of the methanogenic reduction of carbon dioxide by methanogenic archaea.
Links to other databases: BRENDA, EXPASY, Gene, KEGG, MetaCyc, PDB
1.  Miller, D., Wang, Y., Xu, H., Harich, K. and White, R.H. Biosynthesis of the 5-(aminomethyl)-3-furanmethanol moiety of methanofuran. Biochemistry 53 (2014) 4635–4647. [DOI] [PMID: 24977328]
2.  Bobik, T.A., Morales, E.J., Shin, A., Cascio, D., Sawaya, M.R., Arbing, M., Yeates, T.O. and Rasche, M.E. Structure of the methanofuran/methanopterin-biosynthetic enzyme MJ1099 from Methanocaldococcus jannaschii. Acta Crystallogr. F Struct. Biol. Commun. 70 (2014) 1472–1479. [DOI] [PMID: 25372812]
3.  Wang, Y., Jones, M.K., Xu, H., Ray, W.K. and White, R.H. Mechanism of the enzymatic synthesis of 4-(hydroxymethyl)-2-furancarboxaldehyde-phosphate (4-HFC-P) from glyceraldehyde-3-phosphate catalyzed by 4-HFC-P synthase. Biochemistry 54 (2015) 2997–3008. [DOI] [PMID: 25905665]
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