2.7.7.45: guanosine-triphosphate guanylyltransferase

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For detailed information about guanosine-triphosphate guanylyltransferase, go to the full flat file.

Word Map on EC 2.7.7.45

2.7.7.45

shrimp

brine

artemia

phosphoramidate

enzyme-nucleotide

cysts

platelets

alpha-32pgtp

encysted

yolk

Reaction

2 GTP =

Synonyms

diguanosine tetraphosphate synthetase, Gp4G synthetase, GTP-GTP guanylyltransferase, guanosine triphosphate-guanose triphosphate guanylyltransferase, guanylyltransferase, guanosine triphosphate, More, synthetase, diguanosine tetraphosphate

ECTree

2 Transferases

2.7 Transferring phosphorus-containing groups

2.7.7 Nucleotidyltransferases

2.7.7.45 guanosine-triphosphate guanylyltransferase

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Results	in table
2	Activating Compound
1	CAS Registry Number
1	General Stability
4	Inhibitors
5	KM Value [mM]
1	Localization
5	Metals/Ions
9	Molecular Weight [Da]
7	Natural Substrates/ Products (Substrates)
7	Organism
3	pH Optimum
1	pH Range
6	pH Stability
5	Purification (Commentary)
6	Reaction
1	Reaction Type
7	Reference
8	Source Tissue
3	Specific Activity [micromol/min/mg]
1	Storage Stability
35	Substrates and Products (Substrate)
4	Subunits
7	Synonyms
1	Systematic Name
6	Temperature Optimum [°C]
8	Temperature Stability [°C]
3	Turnover Number [1/s]

Metals Ions

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Metals Ions on EC 2.7.7.45 - guanosine-triphosphate guanylyltransferase

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Cu2+

Artemia salina

28% of the activity with Mg2+ in P1,P4-bis(5'-guanosyl)tetraphosphate synthesis

643337

Mg2+

3 entries

Mn2+

Artemia salina

86% of the activity with Mg2+ in P1,P4-bis(5'-guanosyl)tetraphosphate synthesis

643337