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Literature summary extracted from

  • Dowler, M.J.; Nakada, H.I.
    Yeast phosphoramidate-adenosine diphosphate phosphotransferase (1968), J. Biol. Chem., 243, 1434-1440.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.7.3.8 Fe2+ 1.67 mM, 48% inhibition Saccharomyces cerevisiae
2.7.3.8 Hg2+ 0.083 mM, 76% inhibition Saccharomyces cerevisiae
2.7.3.8 iodoacetate 1.67 mM, 12% inhibition Saccharomyces cerevisiae
2.7.3.8 Mg2+ 133 mM, complete inhibition, inhibits reaction with phosphormaide or phosphoiodohistidine Saccharomyces cerevisiae
2.7.3.8 Mn2+ 1.67 mM, 49% inhibition Saccharomyces cerevisiae
2.7.3.8 NEM 1.67 mM, 44% inhibition Saccharomyces cerevisiae
2.7.3.8 oligomycin 0.267 mM, 42% inhibition Saccharomyces cerevisiae
2.7.3.8 p-chloromercuribenzoate 0.83 mM, 95% inhibition Saccharomyces cerevisiae
2.7.3.8 PO43- 1.67 mM, 26% inhibition Saccharomyces cerevisiae
2.7.3.8 Sodium arsenate 1.67 mM, 65% inhibition Saccharomyces cerevisiae
2.7.3.8 Sodium azide 0.267 mM, 42% inhibition Saccharomyces cerevisiae

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.7.3.8 0.115
-
ADP pH 7.2 Saccharomyces cerevisiae
2.7.3.8 0.139
-
phosphoramide pH 7.2 Saccharomyces cerevisiae

Organism

EC Number Organism UniProt Comment Textmining
2.7.3.8 Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.7.3.8 partial Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.7.3.8 additional information
-
-
Saccharomyces cerevisiae

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.3.8 ADP + phosphoiodohistidine L-isomer and DL-racemate of phosphoiodohistidine Saccharomyces cerevisiae ATP + iodohistidine
-
?
2.7.3.8 ADP + phosphoramide
-
Saccharomyces cerevisiae ATP + NH3
-
?
2.7.3.8 CDP + phosphoramide
-
Saccharomyces cerevisiae CTP + NH3
-
?
2.7.3.8 dADP + phosphoramide
-
Saccharomyces cerevisiae dATP + NH3
-
?
2.7.3.8 dCDP + phosphoramide
-
Saccharomyces cerevisiae dCTP + NH3
-
?
2.7.3.8 GDP + phosphoramide
-
Saccharomyces cerevisiae GTP + NH3
-
?
2.7.3.8 IDP + phosphoramide
-
Saccharomyces cerevisiae ITP + NH3
-
?
2.7.3.8 TDP + phosphoramide
-
Saccharomyces cerevisiae TTP + NH3
-
?
2.7.3.8 UDP + phosphoramide
-
Saccharomyces cerevisiae UTP + NH3
-
?

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
2.7.3.8 35
-
10 min, denaturation above Saccharomyces cerevisiae

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.7.3.8 6.9
-
reaction with phosphoiodohistidine, double pH maximum with peaks at 6.0 and 7.8 Saccharomyces cerevisiae
2.7.3.8 7 7.2 reaction with phosphoramide Saccharomyces cerevisiae
2.7.3.8 7.8
-
reaction with phosphoiodohistidine, double pH maximum with peaks at 6.0 and 7.8 Saccharomyces cerevisiae

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.7.3.8 6 8 pH 6.0: about 60% of maximal activity, pH 8.0: about 70% of maximal activity, reaction with phosphoramide Saccharomyces cerevisiae
2.7.3.8 6.5 8.5 pH 6.5: about 50% of maximal activity, pH 8.5: about 40% of maximal activity, reaction with phosphoiodohistidine Saccharomyces cerevisiae