Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 2.4.2.8 extracted from

  • Veres, G.; Monostori, E.; Rasko, I.
    Purification and characterisation of chicken brain hypoxanthine-guanine phosphoribosyltransferase (1985), FEBS Lett., 184, 299-303.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0018
-
guanine
-
Gallus gallus
0.0052
-
hypoxanthine
-
Gallus gallus

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ absolute requirement for Mg2+ or Mn2+ Gallus gallus
Mn2+ absolute requirement for Mg2+ or Mn2+ Gallus gallus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
26000
-
4 * 26000, SDS-PAGE Gallus gallus
85000
-
gel filtration Gallus gallus

Organism

Organism UniProt Comment Textmining
Gallus gallus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
2 methods Gallus gallus

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Gallus gallus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
698.1
-
purified enzyme, method 1 Gallus gallus
705
-
purified enzyme, immunopurification Gallus gallus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
guanine + 5-phospho-alpha-D-ribose 1-diphosphate
-
Gallus gallus GMP + diphosphate
-
?
hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate
-
Gallus gallus IMP + diphosphate
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 26000, SDS-PAGE Gallus gallus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Gallus gallus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
85
-
half-life: 3 min Gallus gallus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
10
-
-
Gallus gallus