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2.7.1.143: diphosphate-purine nucleoside kinase

This is an abbreviated version!
For detailed information about diphosphate-purine nucleoside kinase, go to the full flat file.

Word Map on EC 2.7.1.143

Reaction

diphosphate
+
a purine nucleoside
=
phosphate
+
a purine mononucleotide

Synonyms

kinase, purine nucleoside (phosphorylating), PNK, PPi-dependent nucleoside kinase, purine nucleoside kinase, pyrophosphate-purine nucleoside phosphotransferase

ECTree

     2 Transferases
         2.7 Transferring phosphorus-containing groups
             2.7.1 Phosphotransferases with an alcohol group as acceptor
                2.7.1.143 diphosphate-purine nucleoside kinase

KCat KM Value

KCat KM Value on EC 2.7.1.143 - diphosphate-purine nucleoside kinase

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kcat/KM VALUE [1/mMs-1]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.84
2-deoxy-adenosine
-
-
6.05
adenosine
-
-
0.24
guanosine
-
-
80
Inosine
-
inosine is the most effective phosphoryl acceptor, with the highest kcat /Km value being achieved when ATP served as the phosphoryl donor
0.04
mizoribine
-
-
0.08
ribavirin
-
-