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3.5.4.29: GTP cyclohydrolase IIa

This is an abbreviated version!
For detailed information about GTP cyclohydrolase IIa, go to the full flat file.

Reaction

GTP
+ 3 H2O =
2-amino-5-formylamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
+ 2 phosphate

Synonyms

GCH III, GTP cyclohydrolase III, MJ0145

ECTree

     3 Hydrolases
         3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
             3.5.4 In cyclic amidines
                3.5.4.29 GTP cyclohydrolase IIa

Inhibitors

Inhibitors on EC 3.5.4.29 - GTP cyclohydrolase IIa

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
8-azido-GTP
0.6 mM, 91% inhibition of GTP cyclohydrolase activity, 0.3 mM, 53% inhibition of diphosphate phosphohydrolase activity
8-bromo-GTP
0.1 mM, 50% inhibition of GTP cyclohydrolase activity, 0.1 mM, 64% inhibition of diphosphate phosphohydrolase activity
alpha,beta-methylene-GTP
0.06 mM, 80% inhibition of GTP cyclohydrolase activity, 0.6 mM, 33% inhibition of diphosphate phosphohydrolase activity
beta,gamma-methylene-GTP
0.6 mM, 34% inhibition of GTP cyclohydrolase activity
diphosphate
inhibition of diphosphate phosphohydrolase activity at high concentrations
GDP
more than 40% inhibition of GTP cyclohydrolase activity
GMP
more than 40% inhibition of GTP cyclohydrolase activity
GTP-gamma-S
0.6 mM, 80% inhibition of GTP cyclohydrolase activity
IMP
0.6 mM, 25% inhibition of GTP cyclohydrolase activity
methylene diphosphate
0.6 mM, 40% inhibition of GTP cyclohydrolase activity, 0.6 mM, 56% inhibition of diphosphate phosphohydrolase activity
NaF
0.06 mM, 55% inhibition of diphosphate phosphohydrolase activity
phosphate
0.6 mM, 25% inhibition of GTP cyclohydrolase activity
tripolyphosphate
0.6 mM, 50% inhibition of GTP cyclohydrolase activity, 0.05 mM, 52% inhibition of diphosphate phosphohydrolase activity
XTP
0.6 mM, 52% inhibition of GTP cyclohydrolase activity