Rho GTPase

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== Function ==
== Function ==
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'''Rho GTPase''' of higher vertebrates include '''RhoA, RhoB''', '''RhoC''', '''RhoD''' and '''RhoE'''. These 3 proteins share 85% sequence identity. RhoA is the more extensively studied among these three. RhoA regulates a signal transduction phosphorylation pathway linking plasma membrane receptors to the assembly of focal adhesions and actin stress fibers. Rho GTPase operates as a switch cycling between the active GTP-bound form and the inactive GDP-bound one. A number of proteins have been identified as targets of RhoA<ref>PMID:12642488</ref>. '''Mitochondrial Rho GTPase''' (Miro) have tandem GTP-binding domains separated by a linker region containing calcium-binding EF hand motifs indicating a role in mitochondrial homeostasis and apoptosis<ref>PMID:12482879</ref>.
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'''Rho GTPase''' of higher vertebrates include '''RhoA, RhoB''', '''RhoC''', '''RhoD''' and '''RhoE'''. These 3 proteins share 85% sequence identity. RhoA is the more extensively studied among these three. RhoA regulates a signal transduction phosphorylation pathway linking plasma membrane receptors to the assembly of focal adhesions and actin stress fibers. Rho GTPase operates as a switch cycling between the active GTP-bound form and the inactive GDP-bound one. A number of proteins have been identified as targets of RhoA<ref>PMID:12642488</ref>. '''Mitochondrial Rho GTPase''' ('''Miro''') have tandem GTP-binding domains separated by a linker region containing calcium-binding EF hand motifs indicating a role in mitochondrial homeostasis and apoptosis<ref>PMID:12482879</ref>.
== Disease ==
== Disease ==
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</StructureSection>
</StructureSection>
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==3D structures of Rho GTPase==
 
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Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
 
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{{#tree:id=OrganizedByTopic|openlevels=0|
 
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*RhoA
 
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**[[5ez6]], [[5c4m]], [[5a0f]], [[1dpf]], [[1ftn]] – hRhoA + GDP – human<br />
 
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**[[5a0f]] - hRhoA (mutant) + GDP<br />
 
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**[[1kmq]] – hRhoA (mutant) + GNP<br />
 
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**[[1a2b]] – hRhoA + GSP<br />
 
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**[[3tvd]] – mRhoA + GSP – mouse<br />
 
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*RhoA complex with guanine nucleotide exchange factor
 
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**[[4xh9]] – hRhoA (mutant) + guanine nucleotide exchange factor NET1<br />
 
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**[[5jhg]], [[5jhh]] - hRhoA + guanine nucleotide exchange factor 11<br />
 
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**[[3t06]], [[1xcg]] – hRhoA (mutant) + guanine nucleotide exchange factor 11<br />
 
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**[[1lb1]] – hRhoA (mutant) + guanine nucleotide exchange factor Dbs<br />
 
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**[[3kz1]] – hRhoA + guanine nucleotide exchange factor 11 + GSP<br />
 
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**[[1x86]] – hRhoA + guanine nucleotide exchange factor 12<br />
 
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**[[6bcb]] – hRhoA + guanine nucleotide exchange factor 18<br />
 
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**[[6bc0]] – hRhoA + guanine nucleotide exchange factor 28 + GTP analog<br />
 
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*RhoA complex with Rho GTPase-activating protein
 
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**[[5irc]] – hRhoA + Rho GTPase-activating protein 20 + GDP <br />
 
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**[[1ow3]], [[5m6x]], [[5m70]] – hRhoA + Rho GTPase-activating protein 1 + GDP <br />
 
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**[[3msx]] – hRhoA (mutant) + Rho GTPase-activating protein 35 + GDP <br />
 
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*RhoA complex with ADP-ribosyltransferase
 
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**[[4xsg]] – hRhoA (mutant) + ADP-ribosyltransferase + GTP <br />
 
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**[[4xsh]] – hRhoA (mutant) + ADP-ribosyltransferase + GSP + NADH<br />
 
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**[[5bwm]] – hRhoA (mutant) + ADP-ribosyltransferase + GDP + NADH<br />
 
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*RhoA other complexes
 
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**[[5fr2]], [[5fr1]], [[1cc0]] – hRhoA + Rho GDP-dissociation inhibitor 1 + GDP <br />
 
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**[[5hpy]] – hRhoA (mutant) + unconventional myosin-IXB + GDP <br />
 
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**[[4xoi]] – hRhoA (mutant) + actin-binding protein anillin + GTP <br />
 
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**[[4f38]] – mRhoA + Rho GDP-dissociation inhibitor 1 + GPPNP <br />
 
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**[[4d0n]], [[6bca]] – hRhoA + A-kinase anchor protein 13 + GDP<br />
 
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**[[3lw8]], [[3lwn]], [[3lxr]] – hRhoA + IpgB2 + GDP<br />
 
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**[[1s1c]] – hRhoA + ROCKI + GNP<br />
 
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**[[1cxz]] – hRhoA + Pkn/Prk1 + GSP<br />
 
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**[[1tx4]] – hRhoA + RhoGap + GDP<br />
 
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**[[2rgn]] – hRhoA + guanine nucleotide-binding protein alpha-Q + RhoA/Rac/CDC42 exchange factor + GDP<br />
 
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**[[5c2k]] – hRhoA/Rac GTPase-activating protein 1 + GDP <br />
 
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**[[5jcp]] – hRhoA/ARAP3 + GDP <br />
 
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**[[5zhx]] – hRhoA (mutant) + RAP1 <br />
 
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*RhoB
 
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**[[2fv8]] – hRhoB + GDP <br />
 
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*RhoC
 
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**[[2gcn]] – hRhoC + GDP <br />
 
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**[[2gco]] – hRhoC + GPPNP <br />
 
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**[[2gcp]] – hRhoC + GSP <br />
 
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**[[2gcn]] – hRhoC (mutant) + diaphanous protein homolog 1 + GMPPNP <br />
 
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*RhoD
 
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**[[2j1l]] – hRhoD + GDP <br />
 
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*RhoE
 
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**[[1m7b]] – hRhoE + GTP <br />
 
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**[[2v55]] – hRhoE + ROCKI + GTP + ANP<br />
 
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**[[1gwn]] – mRhoE core domain + GTP <br />
 
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*Miro1 or mitochondrial Rho GTPase 1
 
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**[[6d71]] – hMiro1 N-terminal + GTP <br />
 
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**[[5kso]], [[5ksp]], [[5ksy]] – hMiro1 C-terminal + GDP <br />
 
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**[[5ksz]] – hMiro1 EF hand and kinase domain residues 177-592 - GMPPCP <br />
 
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**[[5kty]], [[5ku1]] – hMiro1 EF hand and kinase domain + GDP <br />
 
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*Miro2
 
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**[[5kut]] – hMiro2 C-terminal + GDP <br />
 
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*Miro
 
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**[[4c0j]], [[4c0k]] – DmMiro – ''Drosophila melanogaster'' <br />
 
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**[[4c0l]] – DmMiro + GDP <br />
 
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*Rho1
 
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**[[5zvp]] – Rho1 + GDP – ''Aspergillus fumigatus''<br />
 
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}}
 
== References ==
== References ==
<references/>
<references/>
[[Category:Topic Page]]
[[Category:Topic Page]]

Revision as of 10:57, 15 December 2019

Human RhoA (magenta) complex with RhoGAP (cyan), GDP, AlF4 and Mg+2 ion (green) (PDB code 1tx4)

Drag the structure with the mouse to rotate

References

  1. Sepp KJ, Auld VJ. RhoA and Rac1 GTPases mediate the dynamic rearrangement of actin in peripheral glia. Development. 2003 May;130(9):1825-35. PMID:12642488
  2. Fransson A, Ruusala A, Aspenstrom P. Atypical Rho GTPases have roles in mitochondrial homeostasis and apoptosis. J Biol Chem. 2003 Feb 21;278(8):6495-502. Epub 2002 Dec 12. PMID:12482879 doi:http://dx.doi.org/10.1074/jbc.M208609200
  3. Zhou J, Hayakawa Y, Wang TC, Bass AJ. RhoA mutations identified in diffuse gastric cancer. Cancer Cell. 2014 Jul 14;26(1):9-11. doi: 10.1016/j.ccr.2014.06.022. PMID:25026207 doi:http://dx.doi.org/10.1016/j.ccr.2014.06.022
  4. Jin L, Burnett AL. RhoA/Rho-kinase in erectile tissue: mechanisms of disease and therapeutic insights. Clin Sci (Lond). 2006 Feb;110(2):153-65. PMID:16411892 doi:http://dx.doi.org/10.1042/CS20050255
  5. Rittinger K, Walker PA, Eccleston JF, Smerdon SJ, Gamblin SJ. Structure at 1.65 A of RhoA and its GTPase-activating protein in complex with a transition-state analogue. Nature. 1997 Oct 16;389(6652):758-62. PMID:9338791 doi:10.1038/39651

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