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3.6.5.6: tubulin GTPase

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

Word Map on EC 3.6.5.6

Reaction

GTP
+
H2O
=
GDP
+
phosphate

Synonyms

atypical GTPase, BtubB, cell division protein, EC 3.6.1.51, eFtsZ, FtsZ, FtsZ tubulin-like protein, FtsZDr, gamma-tubulin, GTP phosphohydrolase, GTPase, guanine triphosphatase, guanosine 5'-triphosphatase, guanosine triphosphatase, mFtsZ, ORF156, ribosomal GTPase, TUBG1, tubulin, tubulin FtsZ, tubulin GTPase, tubulin homolog FtsZ, tubulin-colchicine GTPase

ECTree

     3 Hydrolases
         3.6 Acting on acid anhydrides
             3.6.5 Acting on GTP to facilitate cellular and subcellular movement
                3.6.5.6 tubulin GTPase

Inhibitors

Inhibitors on EC 3.6.5.6 - tubulin GTPase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
Br-
-
-
citral dimethyl acetal
CDA, impairs the GTPase activity of gamma-tubulin
Cl-
-
enhancement of tubulin polymerization by Cl--induced blockade of intrinsic GTPase. GTPase activity of tubulin is lower (2/3-fold) in Cl--containing solutions than that in Cl--free solutions containing Br- or NO3-
Colchicine
a small molecule inhibitor that binds to tubulin dimers rendering them unable to incorporate into filaments. It does not destabilize actively, but rather inhibit repolymerization after regular depolymerization
curcumin
-
-
diethyldicarbonate
-
inhibits GTP hydrolysis, but not the assembly reaction
EDTA
strong inhibition at 2 mM
GTP
-
inhibitory effect produced at concentrations above 3 mM, above 5 mM leads to depolymerization of microtubules
guanosine 5'-(gamma-fluorotriphosphate)
-
reversible competitive dead-end inhibitor
guanosine 5'-(gamma-thiotriphosphate)
-
inhibits both tubulin polymerization and GTP hydrolysis
N-ethylmaleimide
-
inhibits GTP hydrolysis, but not the assembly reaction
N-terminal part of stathimin like-domains
-
-
-
NO3-
-
-
rotenone
-
rotenone inhibits both the assembly and the GTP hydrolysis rate of microtubules in vitro
tubulin
-
unassembled tubulin denatures relatively easily, and the denatured tubulin can inhibit the assembly itself
-
vinblastine
additional information
-