3f61
From Proteopedia
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<StructureSection load='3f61' size='340' side='right'caption='[[3f61]], [[Resolution|resolution]] 1.80Å' scene=''> | <StructureSection load='3f61' size='340' side='right'caption='[[3f61]], [[Resolution|resolution]] 1.80Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[3f61]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/ | + | <table><tr><td colspan='2'>[[3f61]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3F61 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3F61 FirstGlance]. <br> |
| - | </td></tr><tr id=' | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8Å</td></tr> |
| - | <tr id=' | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr> |
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3f61 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3f61 OCA], [https://pdbe.org/3f61 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3f61 RCSB], [https://www.ebi.ac.uk/pdbsum/3f61 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3f61 ProSAT]</span></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=3f61 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3f61 OCA], [https://pdbe.org/3f61 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3f61 RCSB], [https://www.ebi.ac.uk/pdbsum/3f61 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3f61 ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == 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 == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
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</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=3f61 ConSurf]. | </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=3f61 ConSurf]. | ||
<div style="clear:both"></div> | <div style="clear:both"></div> | ||
| - | <div style="background-color:#fffaf0;"> | ||
| - | == Publication Abstract from PubMed == | ||
| - | Many Ser/Thr protein kinases are activated by autophosphorylation, but the mechanism of this process has not been defined. We determined the crystal structure of a mutant of the Ser/Thr kinase domain (KD) of the mycobacterial sensor kinase PknB in complex with an ATP competitive inhibitor and discovered features consistent with an activation complex. The complex formed an asymmetric dimer, with the G helix and the ordered activation loop of one KD in contact with the G helix of the other. The activation loop of this putative 'substrate' KD was disordered, with the ends positioned at the entrance to the partner KD active site. Single amino-acid substitutions in the G-helix interface reduced activation-loop phosphorylation, and multiple replacements abolished KD phosphorylation and kinase activation. Phosphorylation of an inactive mutant KD was reduced by G-helix substitutions in both active and inactive KDs, as predicted by the idea that the asymmetric dimer mimics a trans-autophosphorylation complex. These results support a model in which a structurally and functionally asymmetric, 'front-to-front' association mediates autophosphorylation of PknB and homologous kinases. | ||
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| - | Auto-activation mechanism of the Mycobacterium tuberculosis PknB receptor Ser/Thr kinase.,Mieczkowski C, Iavarone AT, Alber T EMBO J. 2008 Dec 3;27(23):3186-97. Epub 2008 Nov 13. PMID:19008858<ref>PMID:19008858</ref> | ||
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| - | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
| - | </div> | ||
| - | <div class="pdbe-citations 3f61" style="background-color:#fffaf0;"></div> | ||
==See Also== | ==See Also== | ||
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</StructureSection> | </StructureSection> | ||
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
| - | [[Category: Non-specific serine/threonine protein kinase]] | ||
| - | [[Category: Alber, T]] | ||
| - | [[Category: Mieczkowski, C A]] | ||
| - | [[Category: Structural genomic]] | ||
| - | [[Category: Atp-binding]] | ||
| - | [[Category: Kinase]] | ||
| - | [[Category: Magnesium]] | ||
| - | [[Category: Metal-binding]] | ||
[[Category: Mycobacterium tuberculosis]] | [[Category: Mycobacterium tuberculosis]] | ||
| - | [[Category: | + | [[Category: Alber T]] |
| - | [[Category: | + | [[Category: Mieczkowski CA]] |
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Current revision
Crystal Structure of M. tuberculosis PknB Leu33Asp/Val222Asp double mutant in complex with ADP
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