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Literature summary for 2.4.2.1 extracted from

  • Hoffee, P.A.; May, R.; Robertson, B.C.
    Purine nucleoside phosphorylase from Salmonella typhimurium and rat liver (1978), Methods Enzymol., 51, 517-524.
    View publication on PubMed

General Stability

General Stability Organism
not stable when frozen Salmonella enterica subsp. enterica serovar Typhimurium

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.047
-
deoxyinosine
-
Salmonella enterica subsp. enterica serovar Typhimurium
0.37
-
phosphate
-
Salmonella enterica subsp. enterica serovar Typhimurium

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
23500
-
6 * 23500, SDS-PAGE Salmonella enterica subsp. enterica serovar Typhimurium
141000
-
equilibrium sedimentation Salmonella enterica subsp. enterica serovar Typhimurium

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-
Salmonella enterica subsp. enterica serovar Typhimurium
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Salmonella enterica subsp. enterica serovar Typhimurium
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
143
-
-
Rattus norvegicus
160
-
-
Salmonella enterica subsp. enterica serovar Typhimurium

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
deoxyinosine + phosphate
-
Salmonella enterica subsp. enterica serovar Typhimurium hypoxanthine + alpha-D-deoxyribose 1-phosphate
-
?
inosine + phosphate
-
Salmonella enterica subsp. enterica serovar Typhimurium hypoxanthine + alpha-D-ribose 1-phosphate
-
?
inosine + phosphate
-
Rattus norvegicus hypoxanthine + alpha-D-ribose 1-phosphate
-
?

Subunits

Subunits Comment Organism
hexamer 6 * 23500, SDS-PAGE Salmonella enterica subsp. enterica serovar Typhimurium

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Salmonella enterica subsp. enterica serovar Typhimurium