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3.5.4.10: IMP cyclohydrolase

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

Word Map on EC 3.5.4.10

Reaction

IMP
+
H2O
=
5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide

Synonyms

5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase, 5-aminoimidazole-4-carboxamide ribonucleotide tranformylase/IMP cyclohydrolase, AF1811, AICAR tranformylase/IMP cyclohydrolase, AICAR transformylase/IMP cyclohydrolase, AICAR transformylase/inosine 5'-monophosphate cyclohydrolase, AICAR-FT/IMP-CHase, AICAR-transformylase/IMP cyclohydrolase, ATIC, atic-1, IMP synthetase, IMPCH, IMPCHase, inosinate cyclohydrolase, inosine 5'-monophosphate cyclohydrolase, inosine monophosphate cyclohydrolase, inosinicase, ITGA2, MjPurO, MthPurO, PurH, PurH2, PurH2-type IMP cyclohydrolase, PurO, PurO-type IMP cyclohydrolase, TK0430

ECTree

     3 Hydrolases
         3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
             3.5.4 In cyclic amidines
                3.5.4.10 IMP cyclohydrolase

Subunits

Subunits on EC 3.5.4.10 - IMP cyclohydrolase

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SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
dimer
monomer
1 * 49700, enzyme comprising residues 1-452, i.e. the IMP cyclohydrolase part of the bifunctional enzyme, SDS-PAGE
octamer
-
8 * 46000, gel filtration
tetramer
MthPurO has a four-layered alphabetabetaalpha core structure, showing an N-terminal nucleophile hydrolase fold. The active site is located at the deep pocket between two central beta-sheets and contains residues strictly conserved within PurOs, structure analysis, modelling, detailed overview
additional information