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dynasore
a dynamin inhibitor
(1R,2R)-2-(aminomethyl)-N,N-diethyl-1-phenyl-cyclopropane-1-carboxamide
-
milnacipran
(3S-trans)-3-((1,3-benzodioxol-5-yloxy)methyl)-4-(4-fluorophenyl)-piperidine
-
paroxetine
1,2,3,4,10,14b-hexahydro-2-methyldibenzo[c,f]pyrazino[1,2-a]azepine
-
mianserin
1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro[2]benzofuran-5-carbonitrile
-
citalopram
10,11-dihydro-5-[3-(methylamino)propyl]-5H-dibenz[b,f]azepine
-
desipramine
2-((8-chlorodibenzo(b,f)thiepin-10-yl)oxy)-N,N-dimethylethylamine
-
zotepine
3-(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-N-methyl-1-propanamine
-
nortriptyline
3-(2-chloro-10H-phenothiazin-10-yl)-N,N-dimethyl-propan-1-amine
-
chlorpromazine
3-(5,6-dihydrobenzo[b][1]benzazepin-11-yl)-N,N-dimethylpropan-1-amine
-
imipramine
3-(9-chloro-5,6-dihydrobenzo[b][1]benzazepin-11-yl)-N,N-dimethylpropan-1-amine
-
clomipramine
4-[4-(4-chlorophenyl)-4-hydroxy-1-piperidyl]-1-(4-fluorophenyl)-butan-1-one
-
haloperidol
5H-dibenz[b,f]azepine-5-carboxamide
-
carbamazepine
fluvoxamine
-
a noncompetitive inhibitor of dynamin I with respect to GTP and a competitive inhibitor with respect to L-phosphatidylserine
methyl 2-phenyl-2-(2-piperidyl)acetate
-
methylphenidate
myristyl trimethyl ammonium bromide
-
standard inhibitor of dynamin I
N-(2-diethylaminoethyl)-2-methoxy-5-methylsulfonyl-benzamide
-
tiapride
N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]-propan-1-amine
-
fluoxetine
N-methyl-9,10-ethanoanthracene-9(10H)-propanamine
-
maprotiline
N-[(1-ethylpyrrolidin-2-yl)methyl]-2-methoxy-5-sulfamoyl-benzamide
-
sulpiride
sertraline
-
a mixed type inhibitor with respect to both GTP and L-phosphatidylserine
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0.1
(1R,2R)-2-(aminomethyl)-N,N-diethyl-1-phenyl-cyclopropane-1-carboxamide
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.0234
(3S-trans)-3-((1,3-benzodioxol-5-yloxy)methyl)-4-(4-fluorophenyl)-piperidine
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.1
1,2,3,4,10,14b-hexahydro-2-methyldibenzo[c,f]pyrazino[1,2-a]azepine
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.1
1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro[2]benzofuran-5-carbonitrile
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.1
10,11-dihydro-5-[3-(methylamino)propyl]-5H-dibenz[b,f]azepine
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.0372
2-[(8-chlorodibenzo[b,f]thiepin-10-yl)oxy]-N,N-dimethylethanamine
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.064
3-(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-N-methyl-1-propanamine
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.0472
3-(2-chloro-10H-phenothiazin-10-yl)-N,N-dimethyl-propan-1-amine
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.1
3-(5,6-dihydrobenzo[b][1]benzazepin-11-yl)-N,N-dimethylpropan-1-amine
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.0299
3-(9-chloro-5,6-dihydrobenzo[b][1]benzazepin-11-yl)-N,N-dimethylpropan-1-amine
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.1
4-[4-(4-chlorophenyl)-4-hydroxy-1-piperidyl]-1-(4-fluorophenyl)-butan-1-one
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.1
5H-dibenz[b,f]azepine-5-carboxamide
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.0147
fluvoxamine
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.1
methyl 2-phenyl-2-(2-piperidyl)acetate
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.0241
myristyl trimethyl ammonium bromide
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.1
N-(2-diethylaminoethyl)-2-methoxy-5-methylsulfonyl-benzamide
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.0334
N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]-propan-1-amine
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.0211
N-methyl-9,10-ethanoanthracene-9(10H)-propanamine
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.1
N-[(1-ethylpyrrolidin-2-yl)methyl]-2-methoxy-5-sulfamoyl-benzamide
Mus musculus
-
IC50 above 0.1 mM, in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
0.0073
sertraline
Mus musculus
-
in 10 mM Tris-HCl, 10 mM NaCl, 2 mM Mg2+, at 30°C
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additional information
-
structure-function relationship, overview. The C-terminal Pro-rich region, PRD, contains an array of PXXP amino acid motifs, which interact with many SH3 domain-containing proteins to localize dynamin at endocytic sites and coordinate dynamin's function with these other factors during endocytosis. Many proteins that bind dynamin's Pro-rich domain via an SRC homology 3 domain also contain Bin-amphiphysin-Rvs, i.e. BAR, domains, which are protein modules with curvature-generating and -sensing properties
evolution
-
neurolastin is a unique dynamin family GTPase with a RING domain, sequence analysis shows that neurolastin has a C3HC4-type RING domain and key residues important for zinc coordination are conserved
evolution
the OPA1 gene encodes a mitochondrial protein that belongs to the dynamins family, with which it shares three conserved regions: a GTPase domain, a middle domain, and a GTPase effector domain (GED) containing a coiled-coil domain (CC2), overview
evolution
neurolastin is a dynamin family GTPase. It also contains a RING domain and exhibits both GTPase and E3 ligase activities
malfunction
-
dynamin mutants with impaired GTP binding and/or hydrolysis cycles have dominant-negative effects on endocytosis. Also PH-domain mutants that impair phosphoinositide binding exert dominant-negative effects on clathrin-mediated endocytosis. Dynamin lacking the PRD cannot rescue endocytic defects in dynamin-knockout fibroblasts
malfunction
R386G mutation in dynamin 1 middle domain reduces GTPase activity and oligomer stability in the absence of lipids. Vesicle formed in endocytosis are smaller in enzyme mutant R386G cells compared to wild-type
malfunction
silencing of OPA1 reduces induced lipolysis within the differentiated adipocytes
malfunction
neurolastin knockout animals have fewer dendritic spines and exhibit a reduction in functional synapses
metabolism
-
GTPase dynamin is the founding member of a family of GTPases that have diverse roles in membrane-remodelling events throughout the cell
metabolism
the small group of dynamin-like GTPases as central regulators of mitochondrial morphology and cristae remodeling, apoptosis, calcium signaling, and metabolism
physiological function
-
dynamin drives membrane fission, mechanism, overview. Dynamin is directly involved in the generation of an endocytic vesicle requiring the recruitment of various proteins from the cytosol that orchestrate the bending inward of the plasma membrane to form a deeply invaginated bud and subsequently promote its fission. Dynamin assembles into helical polymers at the necks of budding vesicles and its GTP hydrolysis-dependent conformational change promotes fission of the underlying tubular membrane to generate a free endocytic vesicle. It acts at fission sites for clathrin-mediated endocytosis. Diverse roles for dynamin-like proteins at membrane interfaces, overview. Dynamin is also implicated in some clathrin-independent endocytic pathways, overview. Dynamin affects signalling. Dynamin participates in synaptic vesicle recycling at neuronal synapses. Dynamin interacts both directly and indirectly with the cytoskeleton, overview. Dynamin 2 concentrates at sites of abscission and is implicated in the completion of cytokinesis
physiological function
-
dynamin family GTPases are key membrane remodeling mechanoenzymes. Neurolastin, a dynamin family GTPase, regulates excitatory synapses and spine density. Neurolastin affects endosome size via its RING domain. It is important for excitatory neurotransmission
physiological function
dynamin plays an important role in membrane fission during endocytosis. The dynammin GTPase is important for dynamin oligomer complex dissociation in absence of lipids
physiological function
OPA1 mediates adrenergic control of lipolysis by functioning as a cytosolic A-kinase anchoring protein (AKAP), on the hemimembrane that envelops the lipid droplet. Enzyme is OPA1 a regulator of mitochondrial inner membrane fusion and cristae remodeling, role of OPA1 in mtDNA maintenance and mitochondrial energetics. Enzyme regulation, m-AAA protease controls both cleavage and turnover of OPA1, OMA1 is activated upon attenuation of its proteolytic degradation, overview
physiological function
neurolastin, a dynamin family GTPase, translocates to mitochondria upon neuronal stress and alters mitochondrial morphology in vivo. It is specifically expressed in the brain and is important for synaptic transmission
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C83S/C103S
site-directed mutagenesis
C85A
-
site-directed mutagenesis, a dominant-negative mutant
D273A
OPA1 missense mutation associated with autosomal dominant optic atrophy
E270K
OPA1 missense mutation associated with autosomal dominant optic atrophy
GST-Dyn1-C
-
single domain of dynamin-1, constructed for the identification of the interaction domains between dynamin-1 and TULP1
GST-Dyn1-N
-
single domain of dynamin-1, constructed for the identification of the interaction domains between dynamin-1 and TULP1
GST-Dyn1-PRD
-
single domain of dynamin-1, constructed for the identification of the interaction domains between dynamin-1 and TULP1
H97W
-
site-directed mutagenesis, a RING mutant
K301A
loss of function mutation within the G1 GTP-binding domain
K44A
-
dominant-negative dynamin mutant
OPA1Q285STOP
naturally occuring mutation, heterozygous mutant mice, carrying either a premature stop codon (OPA1Q285STOP/+) or an in-frame deletion of 27 amino acids (OPA1Q329-355del/+) in the GTPase domain, are based on haploinsufficiency since both models show a 50% reduction in OPA1 protein expression
Q329-355del
naturally occuring mutation, heterozygous mutant mice, carrying either a premature stop codon (OPA1Q285STOP/+) or an in-frame deletion of 27 amino acids (OPA1Q329-355del/+) in the GTPase domain, are based on haploinsufficiency since both models show a 50% reduction in OPA1 protein expression
R340Q
-
site-directed mutagenesis, GTPase inactive mutant
R386G
site-directed mutagenesis, replacement of Arg386 with Gly in dynamin 1 middle domain reduces GTPase activity and oligomer stability in the absence of lipids, while in presence of phosphatidylserine liposomes, the intermolecular interactions of dynamin 1 are not affected. The mutant is a monomer with reduced GTPase activity compared to the wild-type enzyme
additional information
-
construction of neurolastin knockout mice
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Xi, Q.; Pauer, G.J.; Ball, S.L.; Rayborn, M.; Hollyfield, J.G.; Peachey, N.S.; Crabb, J.W.; Hagstrom, S.A.
Interaction between the photoreceptor-specific tubby-like protein 1 and the neuronal-specific GTPase dynamin-1
Invest. Ophthalmol. Vis. Sci.
48
2837-2844
2007
Mus musculus
brenda
Zhao, L.; Shi, X.; Li, L.; Miller, D.J.
Dynamin 2 associates with complexins and is found in the acrosomal region of mammalian sperm
Mol. Reprod. Dev.
74
750-757
2007
Mus musculus
brenda
Misaka, T.; Murate, M.; Fujimoto, K.; Kubo, Y.
The dynamin-related mouse mitochondrial GTPase OPA1 alters the structure of the mitochondrial inner membrane when exogenously introduced into COS-7 cells
Neurosci. Res.
55
123-133
2006
Mus musculus (P58281), Mus musculus
brenda
Otsuka, A.; Abe, T.; Watanabe, M.; Yagisawa, H.; Takei, K.; Yamada, H.
Dynamin 2 is required for actin assembly in phagocytosis in Sertoli cells
Biochem. Biophys. Res. Commun.
378
478-482
2009
Mus musculus (P39054)
brenda
Otomo, M.; Takahashi, K.; Miyoshi, H.; Osada, K.; Nakashima, H.; Yamaguchi, N.
Some selective serotonin reuptake inhibitors inhibit dynamin I guanosine triphosphatase (GTPase)
Biol. Pharm. Bull.
31
1489-1495
2008
Mus musculus
brenda
Marina-Garcia, N.; Franchi, L.; Kim, Y.G.; Hu, Y.; Smith, D.E.; Boons, G.J.; Nunez, G.
Clathrin- and dynamin-dependent endocytic pathway regulates muramyl dipeptide internalization and NOD2 activation
J. Immunol.
182
4321-4327
2009
Mus musculus
brenda
Ferguson, S.M.; De Camilli, P.
Dynamin, a membrane-remodelling GTPase
Nat. Rev. Mol. Cell Biol.
13
75-88
2012
Caenorhabditis elegans, Drosophila melanogaster, Homo sapiens, Mus musculus, Rattus norvegicus
brenda
Belenguer, P.; Pellegrini, L.
The dynamin GTPase OPA1: more than mitochondria?
Biochim. Biophys. Acta
1833
176-183
2013
Homo sapiens (O60313), Mus musculus (P58281)
brenda
Takahashi, K.; Otomo, M.; Yamaguchi, N.; Nakashima, H.; Miyoshi, H.
Replacement of Arg-386 with Gly in dynamin 1 middle domain reduced GTPase activity and oligomer stability in the absence of lipids
Biosci. Biotechnol. Biochem.
76
2195-2200
2012
Mus musculus (P39053)
brenda
Lomash, R.M.; Gu, X.; Youle, R.J.; Lu, W.; Roche, K.W.
Neurolastin, a dynamin family GTPase, regulates excitatory synapses and spine density
Cell Rep.
12
743-751
2015
Mus musculus
brenda
Lomash, R.M.; Petralia, R.S.; Holtzclaw, L.A.; Tsuda, M.C.; Wang, Y.X.; Badger, J.D.; Cameron, H.A.; Youle, R.J.; Roche, K.W.
Neurolastin, a dynamin family GTPase, translocates to mitochondria upon neuronal stress and alters mitochondrial morphology in vivo
J. Biol. Chem.
294
11498-11512
2019
Mus musculus (Q8K1M6)
brenda