Information on EC 4.1.2.25 - dihydroneopterin aldolase

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EC Tree
     4 Lyases
         4.1 Carbon-carbon lyases
             4.1.2 Aldehyde-lyases
                4.1.2.25 dihydroneopterin aldolase
IUBMB Comments
The enzyme participates in folate (in bacteria, plants and fungi) and methanopterin (in archaea) biosynthesis. The enzymes from the bacterium Escherichia coli and the plant Arabidopsis thaliana also catalyse the epimerisation of the 2' hydroxy-group (EC 5.1.99.8, 7,8-dihydroneopterin epimerase) [2,3]. The enzyme from the bacterium Mycobacterium tuberculosis is trifunctional and also catalyses EC 5.1.99.8 and EC 1.13.11.81, 7,8-dihydroneopterin oxygenase . The enzyme from the yeast Saccharomyces cerevisiae also catalyses the two subsequent steps in the folate biosynthesis pathway - EC 2.7.6.3, 2-amino-4-hydroxy-6-(hydroxymethyl)dihydropteridine diphosphokinase, and EC 2.5.1.15, dihydropteroate synthase .
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The enzyme appears in viruses and cellular organisms
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