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Literature summary for 3.6.1.5 extracted from

  • Guranowski, A.; Starzynska, E.; Rataj-Guranowska, M.; Sillero, M.A.G.
    Purification of apyrase from yellow lupin cotyledons after extraction with perchloric acid (1991), Protein Expr. Purif., 2, 235-239.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.02
-
ATP
-
Lupinus luteus
0.02
-
ADP
-
Lupinus luteus

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ either Mg2+ or Ca2+ required for activity Lupinus luteus
Mg2+ either Mg2+ or Ca2+ required for activity Lupinus luteus
Mn2+ lower activation than Ca2+, Mg2+ Lupinus luteus
Zn2+ lower activation than Ca2+, Mg2+ Lupinus luteus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
51000
-
SDS-PAGE Lupinus luteus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ADP + H2O Lupinus luteus
-
AMP + phosphate
-
?
ATP + 2 H2O Lupinus luteus
-
AMP + 2 phosphate
-
?

Organic Solvent Stability

Organic Solvent Comment Organism
perchloric acid enzyme remains active Lupinus luteus

Organism

Organism UniProt Comment Textmining
Lupinus luteus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Lupinus luteus

Source Tissue

Source Tissue Comment Organism Textmining
cotyledon seedling cotyledons Lupinus luteus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
98
-
-
Lupinus luteus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
adenosine 5'-tetraphosphate + H2O
-
Lupinus luteus adenosine 5'-monophosphate + phosphate
-
?
ADP + H2O
-
Lupinus luteus AMP + phosphate
-
?
ATP + 2 H2O
-
Lupinus luteus AMP + 2 phosphate
-
?
CDP + H2O
-
Lupinus luteus CMP + phosphate
-
?
CTP + 2 H2O
-
Lupinus luteus CMP + 2 phosphate
-
?
dATP + 2 H2O
-
Lupinus luteus dAMP + 2 phosphate
-
?
GDP + H2O
-
Lupinus luteus GMP + phosphate
-
?
GTP + 2 H2O
-
Lupinus luteus GMP + 2 phosphate
-
?
UDP + H2O
-
Lupinus luteus UMP + phosphate
-
?
UTP + 2 H2O
-
Lupinus luteus UMP + 2 phosphate
-
?

Subunits

Subunits Comment Organism
monomer 1* 51000 Lupinus luteus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 8
-
Lupinus luteus