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EC 2.7.8.28 Details
EC number
2.7.8.28
Accepted name
2-phospho-L-lactate transferase
Reaction
(1) (2S)-lactyl-2-diphospho-5′-guanosine + 7,8-didemethyl-8-hydroxy-5-deazariboflavin = GMP + factor 420-0;;(2) enolpyruvoyl-2-diphospho-5′-guanosine + 7,8-didemethyl-8-hydroxy-5-deazariboflavin = GMP + dehydro factor 420-0;;(3) 3-[(R)-glyceryl]-diphospho-5′-guanosine + 7,8-didemethyl-8-hydroxy-5-deazariboflavin = GMP + 3PG-factor 420-0
Other name(s)
cofD (gene name), fbiA (gene name), LPPG:Fo 2-phospho-L-lactate transferase, LPPG:7,8-didemethyl-8-hydroxy-5-deazariboflavin 2-phospho-L-lactate transferase, lactyl-2-diphospho-(5′)guanosine:Fo 2-phospho-L-lactate transferase
Systematic name
(2S)-lactyl-2-diphospho-5′-guanosine:7,8-didemethyl-8-hydroxy-5-deazariboflavin 2-phospho-L-lactate transferase
Comment
This enzyme is involved in the biosynthesis of factor 420, a redox-active cofactor, in methanogenic archaea and certain bacteria. The specific reaction catalysed in vivo is determined by the availability of substrate, which in turn is determined by the enzyme present in the organism - EC 2.7.7.68, 2-phospho-L-lactate guanylyltransferase, EC 2.7.7.105, phosphoenolpyruvate guanylyltransferase, or EC 2.7.7.106, 3-phospho-D-glycerate guanylyltransferase.
History
created 2010, modified 2020
EC Tree
2.5.1.12 created 1972, deleted 1976
2.5.1.13 created 1972, deleted 1976
2.5.1.14 created 1972, deleted 1976
2.5.1.37 created 1989, deleted 2004
2.5.1.40 created 1992, deleted 1999