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2ns1

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==Crystal structure of the e. coli ammonia channel AMTB complexed with the signal transduction protein GLNK==
==Crystal structure of the e. coli ammonia channel AMTB complexed with the signal transduction protein GLNK==
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<StructureSection load='2ns1' size='340' side='right' caption='[[2ns1]], [[Resolution|resolution]] 1.96&Aring;' scene=''>
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<StructureSection load='2ns1' size='340' side='right'caption='[[2ns1]], [[Resolution|resolution]] 1.96&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2ns1]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Ecoli Ecoli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NS1 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2NS1 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2ns1]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Ecoli Ecoli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2NS1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2NS1 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=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=BOG:B-OCTYLGLUCOSIDE'>BOG</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</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=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=BOG:B-OCTYLGLUCOSIDE'>BOG</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1u7g|1u7g]], [[1xqf|1xqf]], [[1gnk|1gnk]], [[2gnk|2gnk]], [[2b2h|2b2h]]</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1u7g|1u7g]], [[1xqf|1xqf]], [[1gnk|1gnk]], [[2gnk|2gnk]], [[2b2h|2b2h]]</div></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">amtB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI]), glnK ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI])</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">amtB ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI]), glnK ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI])</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=2ns1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ns1 OCA], [http://pdbe.org/2ns1 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2ns1 RCSB], [http://www.ebi.ac.uk/pdbsum/2ns1 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2ns1 ProSAT]</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=2ns1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ns1 OCA], [https://pdbe.org/2ns1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ns1 RCSB], [https://www.ebi.ac.uk/pdbsum/2ns1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ns1 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/AMTB_ECOLI AMTB_ECOLI]] Involved in the uptake of ammonia. [[http://www.uniprot.org/uniprot/GLNK_ECOLI GLNK_ECOLI]] P-II indirectly controls the transcription of the glutamine synthetase 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. When the ratio of Gln to 2-ketoglutarate decreases, P-II is uridylylated to P-II-UMP, which causes the deadenylation of glutamine synthetase by GlnE, so activating the enzyme (By similarity).
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[[https://www.uniprot.org/uniprot/AMTB_ECOLI AMTB_ECOLI]] Involved in the uptake of ammonia. [[https://www.uniprot.org/uniprot/GLNK_ECOLI GLNK_ECOLI]] P-II indirectly controls the transcription of the glutamine synthetase 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. When the ratio of Gln to 2-ketoglutarate decreases, P-II is uridylylated to P-II-UMP, which causes the deadenylation of glutamine synthetase by GlnE, so activating the enzyme (By similarity).
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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==See Also==
==See Also==
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*[[Ion channels|Ion channels]]
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*[[Ion channels 3D structures|Ion channels 3D structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Ecoli]]
[[Category: Ecoli]]
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[[Category: Large Structures]]
[[Category: CSMP, Center for Structures of Membrane Proteins]]
[[Category: CSMP, Center for Structures of Membrane Proteins]]
[[Category: Gruswitz, F]]
[[Category: Gruswitz, F]]

Revision as of 15:49, 8 June 2021

Crystal structure of the e. coli ammonia channel AMTB complexed with the signal transduction protein GLNK

PDB ID 2ns1

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