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Literature summary extracted from

  • Ho, K.K.; Khos, K.L.
    Alkaline inorganic pyrophosphatase from orchid leaves (1985), Phytochemistry, 24, 2529-2532.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.6.1.1 Ca2+ most effective inhibitor among the cations tested Aranda Christine
3.6.1.1 Cd2+
-
 Aranda Christine
3.6.1.1 Co2+
-
 Aranda Christine
3.6.1.1 EDTA
-
 Aranda Christine
3.6.1.1 F-
-
 Aranda Christine
3.6.1.1 Mn2+
-
 Aranda Christine

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.6.1.1 Mg2+ required for activity and stability Aranda Christine
3.6.1.1 Mg2+ no other divalent cations can substitute for Mg2+ Aranda Christine

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.6.1.1 28000
-
 gel filtration Aranda Christine

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.6.1.1 diphosphate + H2O Aranda Christine
-
 2 phosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.6.1.1 Aranda Christine
-
 orchid
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.6.1.1
-
 Aranda Christine

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.6.1.1 leaf
-
 Aranda Christine
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.6.1.1 2.7
-
-
 Aranda Christine

Storage Stability

EC Number Storage Stability Organism
3.6.1.1 frozen, unstable Aranda Christine

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.6.1.1 diphosphate + H2O
-
 Aranda Christine 2 phosphate
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.6.1.1 9
-
 in the presence of MgCl Aranda Christine