1xo5: Difference between revisions

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[[Image:1xo5.png|left|200px]]


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==Crystal structure of CIB1, an EF-hand, integrin and kinase-binding protein==
The line below this paragraph, containing "STRUCTURE_1xo5", creates the "Structure Box" on the page.
<StructureSection load='1xo5' size='340' side='right'caption='[[1xo5]], [[Resolution|resolution]] 1.99&Aring;' scene=''>
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== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1xo5]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XO5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1XO5 FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.99&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
{{STRUCTURE_1xo5|  PDB=1xo5  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1xo5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1xo5 OCA], [https://pdbe.org/1xo5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1xo5 RCSB], [https://www.ebi.ac.uk/pdbsum/1xo5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1xo5 ProSAT]</span></td></tr>
 
</table>
===Crystal structure of CIB1, an EF-hand, integrin and kinase-binding protein===
== Function ==
 
[https://www.uniprot.org/uniprot/CIB1_HUMAN CIB1_HUMAN] May convert the inactive conformation of integrin alpha-IIb/beta3 to an active form through binding to the integrin cytoplasmic domain. Induces cell migration and spreading mediated through integrin (possibly via focal adhesion complexes). Functions as a negative regulator of stress activated MAP kinase (MAPK) signaling pathways. May play a role in regulation of apoptosis. Interacts with and up-regulates PTK2/FAK1 activity. Down regulates inositol 1,4,5-trisphosphate receptor-dependent calcium signaling. Participates in endomitotic cell cycle, a form of mitosis in which both karyokinesis and cytokinesis are interrupted and is a hallmark of megakaryocyte differentiation.<ref>PMID:12714504</ref> <ref>PMID:12881299</ref> <ref>PMID:15685448</ref> <ref>PMID:18627437</ref> <ref>PMID:19805025</ref> <ref>PMID:21264284</ref>
 
== Evolutionary Conservation ==
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/xo/1xo5_consurf.spt"</scriptWhenChecked>
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    <text>to colour the structure by Evolutionary Conservation</text>
==About this Structure==
  </jmolCheckbox>
1XO5 is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XO5 OCA].  
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1xo5 ConSurf].
 
<div style="clear:both"></div>
==Reference==
== References ==
<ref group="xtra">PMID:15574431</ref><references group="xtra"/>
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Betts, L.]]
[[Category: Large Structures]]
[[Category: Ferrara, J D.]]
[[Category: Betts L]]
[[Category: Gentry, H R.]]
[[Category: Ferrara JD]]
[[Category: Parise, L V.]]
[[Category: Gentry HR]]
[[Category: Singer, A U.]]
[[Category: Parise LV]]
[[Category: Sondek, J.]]
[[Category: Singer AU]]
[[Category: Yang, C.]]
[[Category: Sondek J]]
[[Category: Calcium and integrin binding]]
[[Category: Yang C]]
[[Category: Calmyrin]]
[[Category: Ef-hand]]
[[Category: Kinase interacting protein]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 17:18:38 2009''

Latest revision as of 11:51, 14 February 2024

Crystal structure of CIB1, an EF-hand, integrin and kinase-binding proteinCrystal structure of CIB1, an EF-hand, integrin and kinase-binding protein

Structural highlights

1xo5 is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.99Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CIB1_HUMAN May convert the inactive conformation of integrin alpha-IIb/beta3 to an active form through binding to the integrin cytoplasmic domain. Induces cell migration and spreading mediated through integrin (possibly via focal adhesion complexes). Functions as a negative regulator of stress activated MAP kinase (MAPK) signaling pathways. May play a role in regulation of apoptosis. Interacts with and up-regulates PTK2/FAK1 activity. Down regulates inositol 1,4,5-trisphosphate receptor-dependent calcium signaling. Participates in endomitotic cell cycle, a form of mitosis in which both karyokinesis and cytokinesis are interrupted and is a hallmark of megakaryocyte differentiation.[1] [2] [3] [4] [5] [6]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

References

  1. ↑ Naik UP, Naik MU. Association of CIB with GPIIb/IIIa during outside-in signaling is required for platelet spreading on fibrinogen. Blood. 2003 Aug 15;102(4):1355-62. Epub 2003 Apr 24. PMID:12714504 doi:10.1182/blood-2003-02-0591
  2. ↑ Naik MU, Naik UP. Calcium-and integrin-binding protein regulates focal adhesion kinase activity during platelet spreading on immobilized fibrinogen. Blood. 2003 Nov 15;102(10):3629-36. Epub 2003 Jul 24. PMID:12881299 doi:10.1182/blood-2003-05-1703
  3. ↑ Tahara E Jr, Tahara H, Kanno M, Naka K, Takeda Y, Matsuzaki T, Yamazaki R, Ishihara H, Yasui W, Barrett JC, Ide T, Tahara E. G1P3, an interferon inducible gene 6-16, is expressed in gastric cancers and inhibits mitochondrial-mediated apoptosis in gastric cancer cell line TMK-1 cell. Cancer Immunol Immunother. 2005 Aug;54(8):729-40. Epub 2005 Feb 1. PMID:15685448 doi:10.1007/s00262-004-0645-2
  4. ↑ Hennigs JK, Burhenne N, Stahler F, Winnig M, Walter B, Meyerhof W, Schmale H. Sweet taste receptor interacting protein CIB1 is a general inhibitor of InsP3-dependent Ca2+ release in vivo. J Neurochem. 2008 Sep;106(5):2249-62. doi: 10.1111/j.1471-4159.2008.05563.x. PMID:18627437 doi:10.1111/j.1471-4159.2008.05563.x
  5. ↑ Yoon KW, Cho JH, Lee JK, Kang YH, Chae JS, Kim YM, Kim J, Kim EK, Kim SE, Baik JH, Naik UP, Cho SG, Choi EJ. CIB1 functions as a Ca(2+)-sensitive modulator of stress-induced signaling by targeting ASK1. Proc Natl Acad Sci U S A. 2009 Oct 13;106(41):17389-94. doi:, 10.1073/pnas.0812259106. Epub 2009 Sep 29. PMID:19805025 doi:10.1073/pnas.0812259106
  6. ↑ Kostyak JC, Naik UP. Calcium- and integrin-binding protein 1 regulates endomitosis and its interaction with Polo-like kinase 3 is enhanced in endomitotic Dami cells. PLoS One. 2011 Jan 14;6(1):e14513. doi: 10.1371/journal.pone.0014513. PMID:21264284 doi:10.1371/journal.pone.0014513

1xo5, resolution 1.99Å

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