3.6.4.B4: presynaptic-filament-stabilizing ATPase

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For detailed information about presynaptic-filament-stabilizing ATPase, go to the full flat file.

Reaction

Synonyms

SSO1861, SsoRal3 protein

ECTree

     3 Hydrolases

         3.6 Acting on acid anhydrides

             3.6.4 Acting on acid anhydrides to facilitate cellular and subcellular movement

                3.6.4.B4 presynaptic-filament-stabilizing ATPase

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Results	in table
1	AA Sequence
2	Molecular Weight [Da]
2	Natural Substrates/ Products (Substrates)
2	Organism
1	Purification (Commentary)
3	Reaction
2	Reference
4	Substrates and Products (Substrate)
4	Subunits
4	Synonyms
1	Temperature Optimum [°C]
1	Temperature Range [°C]

Substrates Products

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Substrates Products on EC 3.6.4.B4 - presynaptic-filament-stabilizing ATPase

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SUBSTRATE

PRODUCT                       

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

Reversibility
r=reversible
ir=irreversible
?=not specified

ATP + H2O

ADP + phosphate

4 entries

ATP + H2O

ADP + phosphate

Saccharolobus solfataricus

Q97X93

model for the involvement of SsoRal3 in stabilization of the SsoRadA presynaptic filament during strand invasion: SsoRadA presynaptic filament formation and strand invasion in the presence of SsoRal3. SsoRal3 is stored in an inactive state on dsDNA in the absence of ATP. ATP addition permits SsoRal3 binding to ssDNA, stabilizing the presynaptic filament and enhancing strand invasion

722331

-

-

?

ATP + H2O

ADP + phosphate

Saccharolobus solfataricus

Q97X93

the enzyme shows almost no ATP hydrolysis in the absence of DNA. SsoRal3 can bind both ss- and dsDNA. The presence of ATP enhances the ability of SsoRal3 to bind ssDNA. The opposite effect is observed when dsDNA was used. When bound to either substrate, the strength of binding is nearly equivalent. SsoRal3 ssDNA binding stabilizes the SsoRadA-ssDNA nucleoprotein complex only when ATP is present

722331

-

-

?

ATP + H2O

ADP + phosphate

Saccharolobus solfataricus P2

Q97X93

model for the involvement of SsoRal3 in stabilization of the SsoRadA presynaptic filament during strand invasion: SsoRadA presynaptic filament formation and strand invasion in the presence of SsoRal3. SsoRal3 is stored in an inactive state on dsDNA in the absence of ATP. ATP addition permits SsoRal3 binding to ssDNA, stabilizing the presynaptic filament and enhancing strand invasion

722331

-

-

?

ATP + H2O

ADP + phosphate

Saccharolobus solfataricus P2

Q97X93

the enzyme shows almost no ATP hydrolysis in the absence of DNA. SsoRal3 can bind both ss- and dsDNA. The presence of ATP enhances the ability of SsoRal3 to bind ssDNA. The opposite effect is observed when dsDNA was used. When bound to either substrate, the strength of binding is nearly equivalent. SsoRal3 ssDNA binding stabilizes the SsoRadA-ssDNA nucleoprotein complex only when ATP is present

722331

-

-

?