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EC 2.5.1.130 Details
EC number
2.5.1.130
Accepted name
2-carboxy-1,4-naphthoquinone phytyltransferase
Reaction
phytyl diphosphate + 2-carboxy-1,4-naphthoquinone = demethylphylloquinone + diphosphate + CO2
Other name(s)
menA (gene name), ABC4 (gene name), 1,4-dioxo-2-naphthoate phytyltransferase, 1,4-diketo-2-naphthoate phytyltransferase
Systematic name
phytyl-diphosphate:2-carboxy-1,4-naphthoquinone phytyltransferase
Comment
This enzyme, found in plants and cyanobacteria, catalyses a step in the synthesis of phylloquinone (vitamin K1), an electron carrier associated with photosystem I. The enzyme catalyses the transfer of the phytyl chain synthesized by EC 1.3.1.83, geranylgeranyl diphosphate reductase, to 2-carboxy-1,4-naphthoquinone.
History
created 2015
EC Tree
1.3.1.23 created 1972, deleted 2005
1.3.1.50 created 1992, deleted 1999
1.3.1.55 created 1999, deleted 2004