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Literature summary for 2.4.2.1 extracted from

  • Osborne, W.R.A.
    Human red cell purine nucleoside phosphorylase. Purification by biospecific affinity chromatography and physical properties (1980), J. Biol. Chem., 255, 7089-7092.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
6-hydroxy-9-p-aminobenzylpurine
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0556
-
Inosine
-
Homo sapiens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
31600
-
3 * 31600, SDS-PAGE Homo sapiens
94000
-
gel filtration Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
erythrocyte
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
95
-
-
Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
inosine + phosphate
-
Homo sapiens hypoxanthine + alpha-D-ribose 1-phosphate
-
?

Subunits

Subunits Comment Organism
trimer 3 * 31600, SDS-PAGE Homo sapiens

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.203
-
6-hydroxy-9-p-aminobenzylpurine
-
Homo sapiens