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1qy7

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Current revision (07:23, 25 October 2023) (edit) (undo)
 
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<StructureSection load='1qy7' size='340' side='right'caption='[[1qy7]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
<StructureSection load='1qy7' size='340' side='right'caption='[[1qy7]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1qy7]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Anacystis_nidulans_r2 Anacystis nidulans r2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QY7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QY7 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1qy7]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Synechococcus_elongatus_PCC_7942_=_FACHB-805 Synechococcus elongatus PCC 7942 = FACHB-805]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QY7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QY7 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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</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&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">GLNB ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1140 Anacystis nidulans R2])</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=NI:NICKEL+(II)+ION'>NI</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=1qy7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qy7 OCA], [https://pdbe.org/1qy7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qy7 RCSB], [https://www.ebi.ac.uk/pdbsum/1qy7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qy7 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=1qy7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qy7 OCA], [https://pdbe.org/1qy7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qy7 RCSB], [https://www.ebi.ac.uk/pdbsum/1qy7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qy7 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/GLNB_SYNE7 GLNB_SYNE7]] P-II indirectly controls the transcription of the GS gene (glnA). P-II prevents NR-II-catalyzed conversion of NR-I to NR-I-phosphate, the transcriptional activator of glnA. When P-II is phosphorylated, these events are reversed. In nitrogen-limiting conditions, when the ratio of Gln to 2-ketoglutarate decreases, P-II is phosphorylated which allows the deadenylation of glutamine synthetase (GS), thus activating the enzyme.
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[https://www.uniprot.org/uniprot/GLNB_SYNE7 GLNB_SYNE7] P-II indirectly controls the transcription of the GS gene (glnA). P-II prevents NR-II-catalyzed conversion of NR-I to NR-I-phosphate, the transcriptional activator of glnA. When P-II is phosphorylated, these events are reversed. In nitrogen-limiting conditions, when the ratio of Gln to 2-ketoglutarate decreases, P-II is phosphorylated which allows the deadenylation of glutamine synthetase (GS), thus activating the enzyme.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Anacystis nidulans r2]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Carr, P D]]
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[[Category: Synechococcus elongatus PCC 7942 = FACHB-805]]
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[[Category: Clancy, P]]
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[[Category: Carr PD]]
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[[Category: Florencio, F]]
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[[Category: Clancy P]]
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[[Category: Forchhammer, K]]
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[[Category: Florencio F]]
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[[Category: Garcia-Dominguez, M]]
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[[Category: Forchhammer K]]
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[[Category: Marsac, N Tandeau de]]
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[[Category: Garcia-Dominguez M]]
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[[Category: Ollis, D L]]
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[[Category: Ollis DL]]
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[[Category: Vasudevan, S G]]
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[[Category: Tandeau de Marsac N]]
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[[Category: Xu, Y]]
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[[Category: Vasudevan SG]]
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[[Category: Alpha/beta]]
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[[Category: Xu Y]]
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[[Category: Transcription]]
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Current revision

The structure of the PII protein from the cyanobacteria Synechococcus sp. PCC 7942

PDB ID 1qy7

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