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2z0g

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==The crystal structure of PII protein==
==The crystal structure of PII protein==
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<StructureSection load='2z0g' size='340' side='right' caption='[[2z0g]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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<StructureSection load='2z0g' size='340' side='right'caption='[[2z0g]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2z0g]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/"aquifex_aeolicus"_huber_and_stetter_2001 "aquifex aeolicus" huber and stetter 2001]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Z0G OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2Z0G FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2z0g]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/"aquifex_aeolicus"_huber_and_stetter_2001 "aquifex aeolicus" huber and stetter 2001]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Z0G OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2Z0G FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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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=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">glnB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=63363 "Aquifex aeolicus" Huber and Stetter 2001])</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=63363 "Aquifex aeolicus" Huber and Stetter 2001])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2z0g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2z0g OCA], [http://pdbe.org/2z0g PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2z0g RCSB], [http://www.ebi.ac.uk/pdbsum/2z0g PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2z0g ProSAT], [http://www.topsan.org/Proteins/RSGI/2z0g TOPSAN]</span></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=2z0g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2z0g OCA], [https://pdbe.org/2z0g PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2z0g RCSB], [https://www.ebi.ac.uk/pdbsum/2z0g PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2z0g ProSAT], [https://www.topsan.org/Proteins/RSGI/2z0g TOPSAN]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/GLNB_AQUAE GLNB_AQUAE]] In nitrogen-limiting conditions, when the ratio of Gln to 2-ketoglutarate decreases, P-II is uridylylated to P-II-UMP. P-II-UMP allows the deadenylation of glutamine synthetase (GS), thus activating the enzyme. Conversely, in nitrogen excess P-II is deuridylated and promotes the adenylation of GS. 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 uridylylated to P-II-UMP, these events are reversed (By similarity).
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[[https://www.uniprot.org/uniprot/GLNB_AQUAE GLNB_AQUAE]] In nitrogen-limiting conditions, when the ratio of Gln to 2-ketoglutarate decreases, P-II is uridylylated to P-II-UMP. P-II-UMP allows the deadenylation of glutamine synthetase (GS), thus activating the enzyme. Conversely, in nitrogen excess P-II is deuridylated and promotes the adenylation of GS. 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 uridylylated to P-II-UMP, these events are reversed (By similarity).
== 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: Aquifex aeolicus huber and stetter 2001]]
[[Category: Aquifex aeolicus huber and stetter 2001]]
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[[Category: Large Structures]]
[[Category: Kitamura, Y]]
[[Category: Kitamura, Y]]
[[Category: Kuramitsu, S]]
[[Category: Kuramitsu, S]]

Revision as of 10:43, 8 December 2021

The crystal structure of PII protein

PDB ID 2z0g

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