4.1.2.25: dihydroneopterin aldolase

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For detailed information about dihydroneopterin aldolase, go to the full flat file.

Reaction

Synonyms

aldolase, dihydroneopterin, At3g11750, At5g62980, DHNA, DHNA-HPPK, dihydroneopterin aldolase, dihydroneopterin aldolase/epimerase, FASA, folA, FolB, FolB1, FolB2, MptD, Rv3607c

ECTree

     4 Lyases

         4.1 Carbon-carbon lyases

             4.1.2 Aldehyde-lyases

                4.1.2.25 dihydroneopterin aldolase

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Results	in table
2	Activating Compound
26755	AA Sequence
2	Application
1	CAS Registry Number
17	Cloned(Commentary)
6	Crystallization (Commentary)
1	Expression
3	General Information
16	IC50 Value
28	Inhibitors
9	kcat/KM [mM/s]
35	KM Value [mM]
2	Metals/Ions
23	Molecular Weight [Da]
23	Natural Substrates/ Products (Substrates)
249	Organism
8	Pathway
42	PDB ID
5	pH Optimum
1	pH Stability
29	Protein Variants
18	Purification (Commentary)
5	Reaction
1	Reaction Type
44	Reference
2	Source Tissue
3	Specific Activity [micromol/min/mg]
78	Substrates and Products (Substrate)
27	Subunits
44	Synonyms
1	Systematic Name
2	Temperature Stability [°C]
25	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 4.1.2.25 - dihydroneopterin aldolase

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SYSTEMATIC NAME

IUBMB Comments

7,8-dihydroneopterin glycolaldehyde-lyase [6-(hydroxymethyl)-7,8-dihydropterin-forming]

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 [6]. 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 [4].