2gqn: Difference between revisions

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[[Image:2gqn.jpg|left|200px]]


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==Cystathionine Beta-Lyase (CBL) from Escherichia Coli in complex with N-Hydrazinocarbonylmethyl-2-Nitro-Benzamide==
The line below this paragraph, containing "STRUCTURE_2gqn", creates the "Structure Box" on the page.
<StructureSection load='2gqn' size='340' side='right'caption='[[2gqn]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)  
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[2gqn]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GQN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2GQN 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]] 1.8&#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=BLP:(5-HYDROXY-6-METHYL-4-((2-(2-(2-NITROBENZAMIDO)ACETYL)HYDRAZINYL)METHYL)PYRIDIN-3-YL)METHYL+DIHYDROGEN+PHOSPHATE'>BLP</scene></td></tr>
{{STRUCTURE_2gqn| PDB=2gqn |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2gqn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gqn OCA], [https://pdbe.org/2gqn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2gqn RCSB], [https://www.ebi.ac.uk/pdbsum/2gqn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2gqn ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/METC_ECOLI METC_ECOLI]
== 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/gq/2gqn_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=2gqn ConSurf].
<div style="clear:both"></div>


'''Cystathionine Beta-Lyase (CBL) from Escherichia Coli in complex with N-Hydrazinocarbonylmethyl-2-Nitro-Benzamide'''
==See Also==
 
*[[Cystathionine beta-lyase|Cystathionine beta-lyase]]
 
__TOC__
==Overview==
</StructureSection>
The biosynthesis of methionine is an attractive antibiotic target given its importance in protein and DNA metabolism and its absence in mammals. We have performed a high-throughput screen of the methionine biosynthesis enzyme cystathionine beta-lyase (CBL) against a library of 50 000 small molecules and have identified several compounds that inhibit CBL enzyme activity in vitro. These hit molecules were of two classes: those that blocked CBL activity with mixed steady-state inhibition and those that covalently interacted with the enzyme at the active site pyridoxal phosphate cofactor with slow-binding inhibition kinetics. We determined the crystal structure of one of the slow-binding inhibitors in complex with CBL and used this structure as a guide in the synthesis of a small, focused library of analogues, some of which had improved enzyme inhibition properties. These studies provide the first lead molecules for antimicrobial agents that target cystathionine beta-lyase in methionine biosynthesis.
 
==About this Structure==
2GQN is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GQN OCA].
 
==Reference==
Inhibitors of bacterial cystathionine beta-lyase: leads for new antimicrobial agents and probes of enzyme structure and function., Ejim LJ, Blanchard JE, Koteva KP, Sumerfield R, Elowe NH, Chechetto JD, Brown ED, Junop MS, Wright GD, J Med Chem. 2007 Feb 22;50(4):755-64. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/17300162 17300162]
[[Category: Cystathionine beta-lyase]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Junop, M S.]]
[[Category: Junop MS]]
[[Category: Summerfield, R.]]
[[Category: Summerfield R]]
[[Category: Plp cofactor covalently bount to blp inhibitor]]
[[Category: Protein-inhibitor complex]]
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