Dihydrofolate synthase

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Dihydrofolate synthase
1w7k.jpg
Dihydrofolate synthase monomer, E.Coli
Identifiers
EC no. 6.3.2.12
CAS no. 37318-62-0
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO
Search
PMC articles
PubMed articles
NCBI proteins

In enzymology, a dihydrofolate synthase (EC 6.3.2.12) is an enzyme that catalyzes the chemical reaction

ATP + 7,8-dihydropteroate + L-glutamate ADP + phosphate + 7,8-dihydropteroylglutamate

The 3 substrates of this enzyme are ATP, 7,8-dihydropteroate, and L-glutamate, whereas its 3 products are ADP, phosphate, and 7,8-dihydropteroylglutamate.

This enzyme belongs to the family of ligases, specifically those forming carbon-nitrogen bonds as acid-D-amino-acid ligases (peptide synthases). The systematic name of this enzyme class is 7,8-dihydropteroate:L-glutamate ligase (ADP-forming). Other names in common use include dihydrofolate synthetase, 7,8-dihydrofolate synthetase, H2-folate synthetase, 7,8-dihydropteroate:L-glutamate ligase (ADP), dihydrofolate synthetase-folylpolyglutamate synthetase, folylpoly-(gamma-glutamate) synthetase-dihydrofolate synthase, FHFS, FHFS/FPGS, dihydropteroate:L-glutamate ligase (ADP-forming), and DHFS. This enzyme participates in folate biosynthesis.

Structural studies

As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes 1W78, 1W7K, and 2BMB.

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References