3lcb: Difference between revisions
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New page: '''Unreleased structure''' The entry 3lcb is ON HOLD Authors: Zheng, J., Jia, Z. Description: The crystal structure of isocitrate dehydrogenase kinase/phosphatase in complex with its s... |
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The | ==The crystal structure of isocitrate dehydrogenase kinase/phosphatase in complex with its substrate, isocitrate dehydrogenase, from Escherichia coli.== | ||
<StructureSection load='3lcb' size='340' side='right'caption='[[3lcb]], [[Resolution|resolution]] 2.90Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[3lcb]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12] and [https://en.wikipedia.org/wiki/Escherichia_coli_O157:H7 Escherichia coli O157:H7]. The September 2010 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Isocitrate Dehydrogenase'' by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2010_9 10.2210/rcsb_pdb/mom_2010_9]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LCB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3LCB FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.9Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=AMP:ADENOSINE+MONOPHOSPHATE'>AMP</scene>, <scene name='pdbligand=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></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=3lcb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3lcb OCA], [https://pdbe.org/3lcb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3lcb RCSB], [https://www.ebi.ac.uk/pdbsum/3lcb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3lcb ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/ACEK_ECO57 ACEK_ECO57] Bifunctional enzyme which can phosphorylate or dephosphorylate isocitrate dehydrogenase (IDH) on a specific serine residue. This is a regulatory mechanism which enables bacteria to bypass the Krebs cycle via the glyoxylate shunt in response to the source of carbon. When bacteria are grown on glucose, IDH is fully active and unphosphorylated, but when grown on acetate or ethanol, the activity of IDH declines drastically concomitant with its phosphorylation. | |||
== 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/lc/3lcb_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=3lcb ConSurf]. | |||
<div style="clear:both"></div> | |||
==See Also== | |||
*[[Isocitrate dehydrogenase 3D structures|Isocitrate dehydrogenase 3D structures]] | |||
*[[Isocitrate dehydrogenase kinase/phosphatase|Isocitrate dehydrogenase kinase/phosphatase]] | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Escherichia coli K-12]] | |||
[[Category: Escherichia coli O157:H7]] | |||
[[Category: Isocitrate Dehydrogenase]] | |||
[[Category: Large Structures]] | |||
[[Category: RCSB PDB Molecule of the Month]] | |||
[[Category: Jia Z]] | |||
[[Category: Zheng J]] | |||
Latest revision as of 13:19, 21 February 2024
The crystal structure of isocitrate dehydrogenase kinase/phosphatase in complex with its substrate, isocitrate dehydrogenase, from Escherichia coli.The crystal structure of isocitrate dehydrogenase kinase/phosphatase in complex with its substrate, isocitrate dehydrogenase, from Escherichia coli.
Structural highlights
FunctionACEK_ECO57 Bifunctional enzyme which can phosphorylate or dephosphorylate isocitrate dehydrogenase (IDH) on a specific serine residue. This is a regulatory mechanism which enables bacteria to bypass the Krebs cycle via the glyoxylate shunt in response to the source of carbon. When bacteria are grown on glucose, IDH is fully active and unphosphorylated, but when grown on acetate or ethanol, the activity of IDH declines drastically concomitant with its phosphorylation. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. See Also |
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