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==NMR structure of the PASTA domain 3 and 4 of Mycobacterium tuberculosis of PknB==
==NMR structure of the PASTA domain 3 and 4 of Mycobacterium tuberculosis of PknB==
<StructureSection load='2kuf' size='340' side='right'caption='[[2kuf]], [[NMR_Ensembles_of_Models | 30 NMR models]]' scene=''>
<StructureSection load='2kuf' size='340' side='right'caption='[[2kuf]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2kuf]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Myctu Myctu]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KUF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2KUF FirstGlance]. <br>
<table><tr><td colspan='2'>[[2kuf]] 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=2KUF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2KUF FirstGlance]. <br>
</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[2kud|2kud]], [[2kue|2kue]], [[2kui|2kui]]</div></td></tr>
</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=2kuf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2kuf OCA], [https://pdbe.org/2kuf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2kuf RCSB], [https://www.ebi.ac.uk/pdbsum/2kuf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2kuf ProSAT]</span></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Rv0014c ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83332 MYCTU])</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Non-specific_serine/threonine_protein_kinase Non-specific serine/threonine protein kinase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.11.1 2.7.11.1] </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=2kuf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2kuf OCA], [https://pdbe.org/2kuf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2kuf RCSB], [https://www.ebi.ac.uk/pdbsum/2kuf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2kuf 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>
[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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</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Myctu]]
[[Category: Mycobacterium tuberculosis H37Rv]]
[[Category: Non-specific serine/threonine protein kinase]]
[[Category: Barthe P]]
[[Category: Barthe, P]]
[[Category: Cohen-Gonsaud M]]
[[Category: Cohen-Gonsaud, M]]
[[Category: Mukamolova G]]
[[Category: Mukamolova, G]]
[[Category: Roumestand C]]
[[Category: Roumestand, C]]
[[Category: External domain]]
[[Category: Kinase]]
[[Category: Resuscitation]]
[[Category: Serine/threonine-protein kinase]]
[[Category: Signaling]]
[[Category: Stpk]]
[[Category: Transferase]]

Revision as of 11:48, 14 June 2023

NMR structure of the PASTA domain 3 and 4 of Mycobacterium tuberculosis of PknBNMR structure of the PASTA domain 3 and 4 of Mycobacterium tuberculosis of PknB

Structural highlights

2kuf is a 1 chain structure with sequence from Mycobacterium tuberculosis H37Rv. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

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.[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11]

Evolutionary Conservation

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

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.

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[12]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. ↑ Kang CM, Abbott DW, Park ST, Dascher CC, Cantley LC, Husson RN. The Mycobacterium tuberculosis serine/threonine kinases PknA and PknB: substrate identification and regulation of cell shape. Genes Dev. 2005 Jul 15;19(14):1692-704. Epub 2005 Jun 28. PMID:15985609 doi:http://dx.doi.org/10.1101/gad.1311105
  2. ↑ Villarino A, Duran R, Wehenkel A, Fernandez P, England P, Brodin P, Cole ST, Zimny-Arndt U, Jungblut PR, Cervenansky C, Alzari PM. Proteomic identification of M. tuberculosis protein kinase substrates: PknB recruits GarA, a FHA domain-containing protein, through activation loop-mediated interactions. J Mol Biol. 2005 Jul 29;350(5):953-63. PMID:15978616 doi:http://dx.doi.org/10.1016/j.jmb.2005.05.049
  3. ↑ Grundner C, Gay LM, Alber T. Mycobacterium tuberculosis serine/threonine kinases PknB, PknD, PknE, and PknF phosphorylate multiple FHA domains. Protein Sci. 2005 Jul;14(7):1918-21. PMID:15987910 doi:http://dx.doi.org/10.1110/ps.051413405
  4. ↑ Sharma K, Gupta M, Krupa A, Srinivasan N, Singh Y. EmbR, a regulatory protein with ATPase activity, is a substrate of multiple serine/threonine kinases and phosphatase in Mycobacterium tuberculosis. FEBS J. 2006 Jun;273(12):2711-21. PMID:16817899 doi:http://dx.doi.org/10.1111/j.1742-4658.2006.05289.x
  5. ↑ Fernandez P, Saint-Joanis B, Barilone N, Jackson M, Gicquel B, Cole ST, Alzari PM. The Ser/Thr protein kinase PknB is essential for sustaining mycobacterial growth. J Bacteriol. 2006 Nov;188(22):7778-84. Epub 2006 Sep 15. PMID:16980473 doi:http://dx.doi.org/10.1128/JB.00963-06
  6. ↑ Dasgupta A, Datta P, Kundu M, Basu J. The serine/threonine kinase PknB of Mycobacterium tuberculosis phosphorylates PBPA, a penicillin-binding protein required for cell division. Microbiology. 2006 Feb;152(Pt 2):493-504. PMID:16436437 doi:http://dx.doi.org/152/2/493
  7. ↑ Gupta M, Sajid A, Arora G, Tandon V, Singh Y. Forkhead-associated domain-containing protein Rv0019c and polyketide-associated protein PapA5, from substrates of serine/threonine protein kinase PknB to interacting proteins of Mycobacterium tuberculosis. J Biol Chem. 2009 Dec 11;284(50):34723-34. Epub 2009 Oct 13. PMID:19826007 doi:http://dx.doi.org/M109.058834
  8. ↑ Parikh A, Verma SK, Khan S, Prakash B, Nandicoori VK. PknB-mediated phosphorylation of a novel substrate, N-acetylglucosamine-1-phosphate uridyltransferase, modulates its acetyltransferase activity. J Mol Biol. 2009 Feb 20;386(2):451-64. Epub 2008 Dec 24. PMID:19121323 doi:10.1016/j.jmb.2008.12.031
  9. ↑ Barik S, Sureka K, Mukherjee P, Basu J, Kundu M. RseA, the SigE specific anti-sigma factor of Mycobacterium tuberculosis, is inactivated by phosphorylation-dependent ClpC1P2 proteolysis. Mol Microbiol. 2010 Feb;75(3):592-606. doi: 10.1111/j.1365-2958.2009.07008.x., Epub 2009 Dec 16. PMID:20025669 doi:http://dx.doi.org/10.1111/j.1365-2958.2009.07008.x
  10. ↑ Sajid A, Arora G, Gupta M, Upadhyay S, Nandicoori VK, Singh Y. Phosphorylation of Mycobacterium tuberculosis Ser/Thr phosphatase by PknA and PknB. PLoS One. 2011 Mar 9;6(3):e17871. doi: 10.1371/journal.pone.0017871. PMID:21423706 doi:http://dx.doi.org/10.1371/journal.pone.0017871
  11. ↑ Gee CL, Papavinasasundaram KG, Blair SR, Baer CE, Falick AM, King DS, Griffin JE, Venghatakrishnan H, Zukauskas A, Wei JR, Dhiman RK, Crick DC, Rubin EJ, Sassetti CM, Alber T. A phosphorylated pseudokinase complex controls cell wall synthesis in mycobacteria. Sci Signal. 2012 Jan 24;5(208):ra7. PMID:22275220 doi:10.1126/scisignal.2002525
  12. ↑ Barthe P, Mukamolova GV, Roumestand C, Cohen-Gonsaud M. The structure of PknB extracellular PASTA domain from mycobacterium tuberculosis suggests a ligand-dependent kinase activation. Structure. 2010 May 12;18(5):606-15. PMID:20462494 doi:10.1016/j.str.2010.02.013
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