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Literature summary for 2.4.2.1 extracted from

  • Agarwal, R.P.; Parks, R.E.
    Purine nucleoside phosphorylase from human erythrocytes. IV. Crystallization and some properties (1969), J. Biol. Chem., 244, 644-647.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Inosine substrate activation Homo sapiens
Inosine no substrate activation Bos taurus

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
guanine
-
Bos taurus
guanine
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Homo sapiens
additional information
-
additional information
-
Bos taurus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
81000
-
gel filtration Homo sapiens

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-
Homo sapiens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
erythrocyte
-
Homo sapiens
-
spleen
-
Homo sapiens
-
spleen
-
Bos taurus
-

Substrates and Products (Substrate)

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

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
57
-
15 min, 50% inactivation Homo sapiens

pH Stability

pH Stability pH Stability Maximum Comment Organism
6.2 10 5 min, stable Homo sapiens

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.005
-
guanine
-
Homo sapiens