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[[Image:2kui.png|left|200px]]


{{STRUCTURE_2kui| PDB=2kui | SCENE= }}
==NMR structure of the PASTA domain of Mycobacterium tuberculosis of PknB==
<StructureSection load='2kui' size='340' side='right'caption='[[2kui]]' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2kui]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis_H37Rv Mycobacterium tuberculosis H37Rv]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KUI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2KUI FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2kui FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2kui OCA], [https://pdbe.org/2kui PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2kui RCSB], [https://www.ebi.ac.uk/pdbsum/2kui PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2kui ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/PKNB_MYCTU PKNB_MYCTU] Key component of a signal transduction pathway that regulates cell growth and cell division via phosphorylation of target proteins such as GarA, GlmU, PapA5, PbpA, FhaB (Rv0019c), FhaA (Rv0020c), MviN, PstP, EmbR, Rv1422, Rv1747 and RseA. Shows a strong preference for Thr versus Ser as the phosphoacceptor.<ref>PMID:15985609</ref> <ref>PMID:15978616</ref> <ref>PMID:15987910</ref> <ref>PMID:16817899</ref> <ref>PMID:16980473</ref> <ref>PMID:16436437</ref> <ref>PMID:19826007</ref> <ref>PMID:19121323</ref> <ref>PMID:20025669</ref> <ref>PMID:21423706</ref> <ref>PMID:22275220</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ku/2kui_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=2kui ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
PknB is a transmembrane Ser/Thr protein kinase that defines and belongs to an ultraconserved kinase subfamily found in Gram-positive bacteria. Essential for Mycobacterium tuberculosis growth, its close homolog in Bacillus subtilis has been linked to exit from dormancy. The kinase possesses an extracellular region composed of a repetition of PASTA domains, believed to bind peptidoglycan fragments that might act as a signaling molecule. We report here the first solution structure of this extracellular region. Small-angle X-ray scattering and nuclear magnetic resonance studies show that the four PASTA domains display an unexpected linear organization, contrary to what is observed in the distant protein PBP2x from Streptococccus pneumoniae where two PASTA domains fold over in a compact structure. We propose a model for PknB activation based on a ligand-dependent dimerization of the extracellular PASTA domains that initiates multiple signaling pathways.


===NMR structure of the PASTA domain of Mycobacterium tuberculosis of PknB===
The structure of PknB extracellular PASTA domain from mycobacterium tuberculosis suggests a ligand-dependent kinase activation.,Barthe P, Mukamolova GV, Roumestand C, Cohen-Gonsaud M Structure. 2010 May 12;18(5):606-15. PMID:20462494<ref>PMID:20462494</ref>


{{ABSTRACT_PUBMED_20462494}}
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2kui" style="background-color:#fffaf0;"></div>


==About this Structure==
==See Also==
[[2kui]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KUI OCA].
*[[Serine/threonine protein kinase 3D structures|Serine/threonine protein kinase 3D structures]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:020462494</ref><references group="xtra"/>
__TOC__
[[Category: Mycobacterium tuberculosis]]
</StructureSection>
[[Category: Non-specific serine/threonine protein kinase]]
[[Category: Large Structures]]
[[Category: Barthe, P.]]
[[Category: Mycobacterium tuberculosis H37Rv]]
[[Category: Cohen-Gonsaud, M.]]
[[Category: Barthe P]]
[[Category: Mukamolova, G.]]
[[Category: Cohen-Gonsaud M]]
[[Category: Roumestand, C.]]
[[Category: Mukamolova G]]
[[Category: External domain]]
[[Category: Roumestand C]]
[[Category: Kinase]]
[[Category: Resuscitation]]
[[Category: Serine/threonine-protein kinase]]
[[Category: Signaling]]
[[Category: Stpk]]
[[Category: Transferase]]

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