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Literature summary extracted from

  • Imagawa, H.; Yamano, H.; Inoue, K.; Takino, Y.
    Purification and properties of adenosine nucleosidases from tea leaves (1979), Agric. Biol. Chem., 43, 2337-2342.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.2.7 adenine enzyme II inhibited at 0.2 mM, enzymes I and III not inhibited up to 1 mM Camellia sinensis

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.2.7 68000
-
for enzymes I, II and III Camellia sinensis

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.2.7 2'-deoxyadenosine + H2O Camellia sinensis 3-4 times greater hydrolysis compared to adenosine 6-aminopurine + 2-deoxy-D-ribofuranose
-
?
3.2.2.7 2'-deoxyadenosine + H2O Camellia sinensis 6-aminopurine-9-2'-deoxy-beta-D-ribofuranoside 6-aminopurine + 2-deoxy-D-ribofuranose
-
?
3.2.2.7 adenosine + H2O Camellia sinensis component of the purine salvage pathway 6-aminopurine + D-ribofuranose
-
?
3.2.2.7 adenosine + H2O Camellia sinensis 6-aminopurine-9-beta-D-ribofuranoside 6-aminopurine + D-ribofuranose
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.2.7 Camellia sinensis
-
tea
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.2.7 partial, three forms isolated: enzymes I, II and III Camellia sinensis

Reaction

EC Number Reaction Comment Organism Reaction ID
3.2.2.7 adenosine + H2O = D-ribose + adenine also acts on adenosine N-oxide Camellia sinensis

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.2.7 leaf
-
Camellia sinensis
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.2.7 7
-
for enzyme I Camellia sinensis
3.2.2.7 7.97
-
for enzyme III Camellia sinensis
3.2.2.7 12.84
-
for enzyme II Camellia sinensis

Storage Stability

EC Number Storage Stability Organism
3.2.2.7 -20°C, one month, gradually loss of activity on storage at 4°C Camellia sinensis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.2.7 2'-deoxyadenosine + H2O 3-4 times greater hydrolysis compared to adenosine Camellia sinensis 6-aminopurine + 2-deoxy-D-ribofuranose
-
?
3.2.2.7 2'-deoxyadenosine + H2O 6-aminopurine-9-2'-deoxy-beta-D-ribofuranoside Camellia sinensis 6-aminopurine + 2-deoxy-D-ribofuranose
-
?
3.2.2.7 6-aminopurine-9-beta-D-ribofuranosyl-N1-oxide + H2O rapid hydrolysis Camellia sinensis 6-aminopurine-N1-oxide + D-ribofuranose
-
?
3.2.2.7 adenosine + H2O component of the purine salvage pathway Camellia sinensis 6-aminopurine + D-ribofuranose
-
?
3.2.2.7 adenosine + H2O 6-aminopurine-9-beta-D-ribofuranoside Camellia sinensis 6-aminopurine + D-ribofuranose
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.2.7 45
-
for enzyme I Camellia sinensis
3.2.2.7 50
-
for enzymes II and III Camellia sinensis

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.2.7 40
-
rapid loss of activity, enzymes I, II and III Camellia sinensis

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.2.7 4
-
for enzymes I and III Camellia sinensis
3.2.2.7 4.5
-
for enzyme II Camellia sinensis

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.2.7 6 8 stable within, enzymes I, II and III Camellia sinensis