3lwn: Difference between revisions

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{{Seed}}
[[Image:3lwn.png|left|200px]]
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{{STRUCTURE_3lwn|  PDB=3lwn  |  SCENE=  }}  
{{STRUCTURE_3lwn|  PDB=3lwn  |  SCENE=  }}  
===Shigella IpgB2 in complex with human RhoA, GDP and Mg2+ (complex B)===
===Shigella IpgB2 in complex with human RhoA, GDP and Mg2+ (complex B)===
{{ABSTRACT_PUBMED_20363740}}


 
==Function==
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[[http://www.uniprot.org/uniprot/RHOA_HUMAN RHOA_HUMAN]] Regulates a signal transduction pathway linking plasma membrane receptors to the assembly of focal adhesions and actin stress fibers. Involved in a microtubule-dependent signal that is required for the myosin contractile ring formation during cell cycle cytokinesis. Plays an essential role in cleavage furrow formation. Required for the apical junction formation of keratinocyte cell-cell adhesion. Serves as a target for the yopT cysteine peptidase from Yersinia pestis, vector of the plague, and Yersinia pseudotuberculosis, which causes gastrointestinal disorders. Stimulates PKN2 kinase activity. May be an activator of PLCE1. Activated by ARHGEF2, which promotes the exchange of GDP for GTP. Essential for the SPATA13-mediated regulation of cell migration and adhesion assembly and disassembly. The MEMO1-RHOA-DIAPH1 signaling pathway plays an important role in ERBB2-dependent stabilization of microtubules at the cell cortex. It controls the localization of APC and CLASP2 to the cell membrane, via the regulation of GSK3B activity. In turn, membrane-bound APC allows the localization of the MACF1 to the cell membrane, which is required for microtubule capture and stabilization.<ref>PMID:8910519</ref> <ref>PMID:9121475</ref> <ref>PMID:12900402</ref> <ref>PMID:16103226</ref> <ref>PMID:16236794</ref> <ref>PMID:19934221</ref> <ref>PMID:20937854</ref> <ref>PMID:20974804</ref>
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{{ABSTRACT_PUBMED_20363740}}


==About this Structure==
==About this Structure==
3LWN is a 4 chains structure with sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Shigella_flexneri Shigella flexneri]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LWN OCA].  
[[3lwn]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Shigella_flexneri Shigella flexneri]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LWN OCA].  


==Reference==
==Reference==
<ref group="xtra">PMID:20363740</ref><references group="xtra"/>
<ref group="xtra">PMID:020363740</ref><references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Shigella flexneri]]
[[Category: Shigella flexneri]]
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[[Category: Ttss effector protein]]
[[Category: Ttss effector protein]]
[[Category: Wxxxe]]
[[Category: Wxxxe]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jun  2 08:21:03 2010''

Revision as of 02:31, 11 April 2013

Template:STRUCTURE 3lwn

Shigella IpgB2 in complex with human RhoA, GDP and Mg2+ (complex B)Shigella IpgB2 in complex with human RhoA, GDP and Mg2+ (complex B)

Template:ABSTRACT PUBMED 20363740

FunctionFunction

[RHOA_HUMAN] Regulates a signal transduction pathway linking plasma membrane receptors to the assembly of focal adhesions and actin stress fibers. Involved in a microtubule-dependent signal that is required for the myosin contractile ring formation during cell cycle cytokinesis. Plays an essential role in cleavage furrow formation. Required for the apical junction formation of keratinocyte cell-cell adhesion. Serves as a target for the yopT cysteine peptidase from Yersinia pestis, vector of the plague, and Yersinia pseudotuberculosis, which causes gastrointestinal disorders. Stimulates PKN2 kinase activity. May be an activator of PLCE1. Activated by ARHGEF2, which promotes the exchange of GDP for GTP. Essential for the SPATA13-mediated regulation of cell migration and adhesion assembly and disassembly. The MEMO1-RHOA-DIAPH1 signaling pathway plays an important role in ERBB2-dependent stabilization of microtubules at the cell cortex. It controls the localization of APC and CLASP2 to the cell membrane, via the regulation of GSK3B activity. In turn, membrane-bound APC allows the localization of the MACF1 to the cell membrane, which is required for microtubule capture and stabilization.[1] [2] [3] [4] [5] [6] [7] [8]

About this StructureAbout this Structure

3lwn is a 4 chain structure with sequence from Homo sapiens and Shigella flexneri. Full crystallographic information is available from OCA.

ReferenceReference

[xtra 1]

  1. ↑ Klink BU, Barden S, Heidler TV, Borchers C, Ladwein M, Stradal TE, Rottner K, Heinz DW. Structure of Shigella IpgB2 in complex with human RhoA: implications for the mechanism of bacterial guanine nucleotide exchange factor mimicry. J Biol Chem. 2010 May 28;285(22):17197-208. Epub 2010 Apr 2. PMID:20363740 doi:10.1074/jbc.M110.107953
  1. ↑ Quilliam LA, Lambert QT, Mickelson-Young LA, Westwick JK, Sparks AB, Kay BK, Jenkins NA, Gilbert DJ, Copeland NG, Der CJ. Isolation of a NCK-associated kinase, PRK2, an SH3-binding protein and potential effector of Rho protein signaling. J Biol Chem. 1996 Nov 15;271(46):28772-6. PMID:8910519
  2. ↑ Vincent S, Settleman J. The PRK2 kinase is a potential effector target of both Rho and Rac GTPases and regulates actin cytoskeletal organization. Mol Cell Biol. 1997 Apr;17(4):2247-56. PMID:9121475
  3. ↑ Wing MR, Snyder JT, Sondek J, Harden TK. Direct activation of phospholipase C-epsilon by Rho. J Biol Chem. 2003 Oct 17;278(42):41253-8. Epub 2003 Aug 4. PMID:12900402 doi:http://dx.doi.org/10.1074/jbc.M306904200
  4. ↑ Yuce O, Piekny A, Glotzer M. An ECT2-centralspindlin complex regulates the localization and function of RhoA. J Cell Biol. 2005 Aug 15;170(4):571-82. PMID:16103226 doi:10.1083/jcb.200501097
  5. ↑ Kamijo K, Ohara N, Abe M, Uchimura T, Hosoya H, Lee JS, Miki T. Dissecting the role of Rho-mediated signaling in contractile ring formation. Mol Biol Cell. 2006 Jan;17(1):43-55. Epub 2005 Oct 19. PMID:16236794 doi:10.1091/mbc.E05-06-0569
  6. ↑ Bristow JM, Sellers MH, Majumdar D, Anderson B, Hu L, Webb DJ. The Rho-family GEF Asef2 activates Rac to modulate adhesion and actin dynamics and thereby regulate cell migration. J Cell Sci. 2009 Dec 15;122(Pt 24):4535-46. doi: 10.1242/jcs.053728. Epub 2009, Nov 24. PMID:19934221 doi:10.1242/jcs.053728
  7. ↑ Zaoui K, Benseddik K, Daou P, Salaun D, Badache A. ErbB2 receptor controls microtubule capture by recruiting ACF7 to the plasma membrane of migrating cells. Proc Natl Acad Sci U S A. 2010 Oct 26;107(43):18517-22. doi:, 10.1073/pnas.1000975107. Epub 2010 Oct 11. PMID:20937854 doi:10.1073/pnas.1000975107
  8. ↑ Wallace SW, Magalhaes A, Hall A. The Rho target PRK2 regulates apical junction formation in human bronchial epithelial cells. Mol Cell Biol. 2011 Jan;31(1):81-91. doi: 10.1128/MCB.01001-10. Epub 2010 Oct 25. PMID:20974804 doi:10.1128/MCB.01001-10

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