The Enzyme Database

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Accepted name: 2,3-bis-O-geranylgeranyl-sn-glycerol 1-phosphate reductase [NAD(P)H]
Reaction: 2,3-bis-(O-phytanyl)-sn-glycerol 1-phosphate + 8 NAD(P)+ = 2,3-bis-(O-geranylgeranyl)-sn-glycerol 1-phosphate + 8 NAD(P)H + 8 H+
For diagram of archaetidylserine biosynthesis, click here
Glossary: phytanol = (7R,11R,15R)-3,7,11,15-tetramethylhexadecan-1-ol
Other name(s): digeranylgeranylglycerophospholipid reductase; Ta0516m (gene name); DGGGPL reductase; 2,3-digeranylgeranylglycerophospholipid reductase
Systematic name: 2,3-bis-(O-phytany)l-sn-glycerol 1-phosphate:NAD(P)+ oxidoreductase
Comments: A flavoprotein (FAD). The enzyme from the archaeon Thermoplasma acidophilum is involved in the biosynthesis of membrane lipids. In vivo the reaction occurs in the reverse direction with the formation of 2,3-bis-O-phytanyl-sn-glycerol 1-phosphate. cf. EC, 2,3-bis-O-geranylgeranyl-sn-glycero-phospholipid reductase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Nishimura, Y. and Eguchi, T. Biosynthesis of archaeal membrane lipids: digeranylgeranylglycerophospholipid reductase of the thermoacidophilic archaeon Thermoplasma acidophilum. J. Biochem. 139 (2006) 1073–1081. [PMID: 16788058]
2.  Nishimura, Y. and Eguchi, T. Stereochemistry of reduction in digeranylgeranylglycerophospholipid reductase involved in the biosynthesis of archaeal membrane lipids from Thermoplasma acidophilum. Bioorg. Chem. 35 (2007) 276–283. [PMID: 17275067]
3.  Xu, Q., Eguchi, T., Mathews, I.I., Rife, C.L., Chiu, H.J., Farr, C.L., Feuerhelm, J., Jaroszewski, L., Klock, H.E., Knuth, M.W., Miller, M.D., Weekes, D., Elsliger, M.A., Deacon, A.M., Godzik, A., Lesley, S.A. and Wilson, I.A. Insights into substrate specificity of geranylgeranyl reductases revealed by the structure of digeranylgeranylglycerophospholipid reductase, an essential enzyme in the biosynthesis of archaeal membrane lipids. J. Mol. Biol. 404 (2010) 403–417. [PMID: 20869368]
[EC created 2013]

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