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

BRENDA support

Literature summary for 3.2.2.2 extracted from

  • Le Floc'h, F.; Lafleuriel, J.
    The purine nucleosidases of Jerusalem artichoke shoots (1981), Phytochemistry, 20, 2127-2129.
No PubMed abstract available
Search for more literature for 3.2.2.2

Inhibitors

Inhibitors Comment Organism Structure
6-mercaptopurine riboside
-
 Helianthus tuberosus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0025
-
 Inosine
-
 Helianthus tuberosus
0.0085
-
 guanosine
-
 Helianthus tuberosus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
inosine + H2O Helianthus tuberosus
-
 hypoxanthine + D-ribose
-
 ?

Organism

Organism UniProt Comment Textmining
Helianthus tuberosus
-
 Jerusalem artichoke
-

Purification (Commentary)

Purification (Comment) Organism
-
 Helianthus tuberosus

Source Tissue

Source Tissue Comment Organism Textmining
shoot
-
 Helianthus tuberosus
-

Storage Stability

Storage Stability Organism
-25°C, highly stable at deep-freeze conditions Helianthus tuberosus
4°C, highly stable Helianthus tuberosus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6-mercaptopurine riboside + H2O inhibitor and substrate Helianthus tuberosus 6-mercaptopurine + D-ribose
-
 ?
adenosine + H2O
-
 Helianthus tuberosus adenine + D-ribose
-
 ?
guanosine + H2O
-
 Helianthus tuberosus guanine + D-ribose
-
 ?
inosine + H2O
-
 Helianthus tuberosus hypoxanthine + D-ribose
-
 ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5 7
-
 Helianthus tuberosus

pH Range

pH Minimum pH Maximum Comment Organism
9
-
 50% of the optimum value Helianthus tuberosus