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Literature summary extracted from

  • Kole, R.; Sierakowska, H.; Shugar, D.
    Novel activity of potato nucleotide pyrophosphatase (1976), Biochim. Biophys. Acta, 438, 540-550.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.6.1.9 5'-AMP effective inhibitor, Ki: 0.5 mM Solanum tuberosum
3.6.1.9 adenosine 3'-monophosphate Ki: 1 mM Solanum tuberosum
3.6.1.9 Cu2+ 45% inhibition at 1 mM Solanum tuberosum
3.6.1.9 Hg2+ 25% inhibition at 1 mM Solanum tuberosum
3.6.1.9 phosphate Ki: 4 mM Solanum tuberosum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.6.1.9 0.8
-
thymidine 5'-monophosphate p-nitrophenyl ester
-
Solanum tuberosum
3.6.1.9 1.2
-
p-nitrophenylphosphate
-
Solanum tuberosum
3.6.1.9 1.3
-
thymidine 3'-monophosphate p-nitrophenyl ester
-
Solanum tuberosum
3.6.1.9 1.3
-
bis(p-nitrophenylphosphate)
-
Solanum tuberosum
3.6.1.9 2.5
-
thymidine 5'-alpha-naphthylphosphate
-
Solanum tuberosum
3.6.1.9 2.9
-
thymidine 3'-alpha-naphthylphosphate
-
Solanum tuberosum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.6.1.9 ADP + H2O Solanum tuberosum
-
AMP + phosphate
-
?
3.6.1.9 ATP + H2O Solanum tuberosum
-
AMP + diphosphate
-
?
3.6.1.9 mRNA + H2O Solanum tuberosum
-
7-methyl-GMP + ?
-
?
3.6.1.9 NAD+ + H2O Solanum tuberosum best natural substrate tested NMN + AMP
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.6.1.9 Solanum tuberosum
-
potato
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.6.1.9 near homogeneity Solanum tuberosum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.6.1.9 tuber
-
Solanum tuberosum
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.6.1.9 50.3
-
-
Solanum tuberosum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.6.1.9 adenosine 3'-(alpha-naphthylphosphate) very low activity Solanum tuberosum adenosine + alpha-naphthylphosphate
-
?
3.6.1.9 ADP + H2O
-
Solanum tuberosum AMP + phosphate
-
?
3.6.1.9 alpha-naphthylphosphate + H2O low activity Solanum tuberosum alpha-naphthol + phosphate
-
?
3.6.1.9 ATP + H2O
-
Solanum tuberosum AMP + diphosphate
-
?
3.6.1.9 bis(p-nitrophenyl)phosphate + H2O
-
Solanum tuberosum p-nitrophenol + p-nitrophenylphosphate
-
?
3.6.1.9 bis-alpha-naphthylphosphate + H2O very low activity Solanum tuberosum ?
-
?
3.6.1.9 mRNA + H2O
-
Solanum tuberosum 7-methyl-GMP + ?
-
?
3.6.1.9 NAD+ + H2O best natural substrate tested Solanum tuberosum NMN + AMP
-
?
3.6.1.9 p-nitrophenylphosphate + H2O
-
Solanum tuberosum p-nitrophenol + phosphate
-
?
3.6.1.9 thymidine + alpha-naphthylphosphate + H2O very low activity Solanum tuberosum thymidine 3'-alpha-naphthol + phosphate
-
?
3.6.1.9 thymidine 3'-alpha-naphthylphosphate + H2O
-
Solanum tuberosum thymidine 3'-alpha-naphthol + phosphate
-
?
3.6.1.9 thymidine 3'-diphospho 3'-thymidine + H2O
-
Solanum tuberosum thymidine 3'-phosphate + thymidine 3'-phosphate
-
?
3.6.1.9 thymidine 3'-monophosphate p-nitrophenyl ester + H2O
-
Solanum tuberosum thymidine 3'-monophosphate + p-nitrophenol
-
?
3.6.1.9 thymidine 5'-alpha-naphthylphosphate + H2O very low activity Solanum tuberosum thymidine + alpha-naphthylphosphate
-
?
3.6.1.9 thymidine 5'-monophosphate p-nitrophenyl ester + H2O
-
Solanum tuberosum thymidine 5'-monophosphate + p-nitrophenol
-
?
3.6.1.9 uridine 3'-(alpha-naphthylphosphate) + H2O very low activity Solanum tuberosum uridine + alpha-naphthylphosphate
-
?
3.6.1.9 uridine 3'-(phenylphosphate) + H2O very low activity Solanum tuberosum uridine + phenylphosphate
-
?

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.6.1.9 75
-
55% loss of activity in 5 min Solanum tuberosum

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.6.1.9 5 7 optimal activity within Solanum tuberosum

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
3.6.1.9 1
-
adenosine 3'-monophosphate
-
Solanum tuberosum
3.6.1.9 4
-
phosphate
-
Solanum tuberosum