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Literature summary for 3.5.4.10 extracted from

  • Graupner, M.; Xu, H.; White, R.H.
    New class of IMP cyclohydrolases in Methanococcus jannaschii (2002), J. Bacteriol., 184, 1471-1473.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Methanocaldococcus jannaschii

Inhibitors

Inhibitors Comment Organism Structure
additional information not inhibitory: EDTA at 2 mM, iodoacetamide at 20mM, XMP, at 0.05 mM, IMP, at 0.02 mM Methanocaldococcus jannaschii

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.082
-
5-Formamido-1-(5-phosphoribosyl)imidazole-4-carboxamide
-
Methanocaldococcus jannaschii

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
21500
-
x * 21500, SDS-PAGE Methanocaldococcus jannaschii

Organism

Organism UniProt Comment Textmining
Methanocaldococcus jannaschii Q58043
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Methanocaldococcus jannaschii

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5-formamido-1-(5-phosphoribosyl)imidazole-4-carboxamide
-
Methanocaldococcus jannaschii IMP + H2O
-
?

Subunits

Subunits Comment Organism
? x * 21500, SDS-PAGE Methanocaldococcus jannaschii
More amino acid sequence analysis Methanocaldococcus jannaschii

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
80
-
1 h, in air, no loss of activity Methanocaldococcus jannaschii
90
-
30 min, in air, 84% residual activity Methanocaldococcus jannaschii
100
-
30 min, in air, 30% residual activity Methanocaldococcus jannaschii

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 8.5 broad Methanocaldococcus jannaschii