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3.1.11.5: exodeoxyribonuclease V

This is an abbreviated version!
For detailed information about exodeoxyribonuclease V, go to the full flat file.

Word Map on EC 3.1.11.5

Reaction

Exonucleolytic cleavage (in the presence of ATP) in either 5'- to 3'- or 3'- to 5'-direction to yield 5'-phosphooligonucleotides =

Synonyms

AddAB enzyme, E. coli ATP-dependent DNase, E. coli exonuclease V, Escherichia coli exonuclease V, Escherichia coli RecBCD, Exodeoxyribonuclease V 125 kDa polypeptide, Exodeoxyribonuclease V 135 KDA polypeptide, Exodeoxyribonuclease V 67 kDa polypeptide, exonuclease V, ExoV, gene recBC DNase, gene RecBC endoenzyme, nuclease, exodeoxyribo V, PAB2263, RecB, RecB helicase-nuclease, REcB30 protein, recBC deoxyribonuclease, recBC DNase, recBC nuclease, RecBCD, RecBCD DNase, recBCD enzyme, RecBCD exonuclease, RecBCD-type helicase-nuclease, RecD, UPF0286 protein PYRAB01260

ECTree

     3 Hydrolases
         3.1 Acting on ester bonds
             3.1.11 Exodeoxyribonucleases producing 5′-phosphomonoesters
                3.1.11.5 exodeoxyribonuclease V

Activating Compound

Activating Compound on EC 3.1.11.5 - exodeoxyribonuclease V

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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
3',5'-cyclic AMP
-
less effective than ATP
5'-AMP
-
less effective than ATP
adenine
-
less effective than ATP
adenosine
-
less effective than ATP
ADP
-
less effective than ATP
bovine serum albumin
-
CTP
-
less effective than ATP
dATP
-
nearly as effective as ATP
dCTP
-
less effective than ATP
GTP
-
less effective than ATP
NaCl
-
ATP molecules hydrolyzed per base pair unwound slightly increased
RNA-DNA hybrid
-
activates ATPase only
-
S-adenosylmethionine
-
less effective than ATP
TTP
-
less effective than ATP
UTP
-
less effective than ATP
additional information
mechanism of nuclease activation, an alpha-helix (residues 913-922) within the linker region (residues 870-940) of RecB, that connects the C-terminal nuclease domain to the N-terminal helicase domains, sits in the nuclease active site thus blocking access, overview. The nuclease activity of the RecBCD complex is attenuated in the initiation complex prior to binding ATP, because the nuclease requires ssDNA to be fed into it by the helicase activities of the complex
-