3rg2

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Current revision (12:22, 14 March 2024) (edit) (undo)
 
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<StructureSection load='3rg2' size='340' side='right'caption='[[3rg2]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
<StructureSection load='3rg2' size='340' side='right'caption='[[3rg2]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3rg2]] is a 10 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=3RG2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3RG2 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3rg2]] is a 10 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=3RG2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3RG2 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=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=PNS:4-PHOSPHOPANTETHEINE'>PNS</scene>, <scene name='pdbligand=SVS:5-DEOXY-5-({[2-(2-HYDROXYPHENYL)ETHYL]SULFONYL}AMINO)ADENOSINE'>SVS</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]] 3.1&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">b0594, entE, entE and entB, JW0586 ([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='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=IOD:IODIDE+ION'>IOD</scene>, <scene name='pdbligand=PNS:4-PHOSPHOPANTETHEINE'>PNS</scene>, <scene name='pdbligand=SVS:5-DEOXY-5-({[2-(2-HYDROXYPHENYL)ETHYL]SULFONYL}AMINO)ADENOSINE'>SVS</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=3rg2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3rg2 OCA], [https://pdbe.org/3rg2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3rg2 RCSB], [https://www.ebi.ac.uk/pdbsum/3rg2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3rg2 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=3rg2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3rg2 OCA], [https://pdbe.org/3rg2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3rg2 RCSB], [https://www.ebi.ac.uk/pdbsum/3rg2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3rg2 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/ENTE_ECOLI ENTE_ECOLI]] Activates the carboxylate group of 2,3-dihydroxy-benzoate (2,3-DHB), via ATP-dependent PPi exchange reactions, to the acyladenylate. Then, catalyzes the acylation of holo-EntB with 2,3-DHB adenylate, preparing that molecule for amide bond formation with L-serine.
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[https://www.uniprot.org/uniprot/ENTB_ECOLI ENTB_ECOLI] Required for production of 2,3-DHB. Also serves as an aryl carrier protein and plays a role in enterobactin assembly.[https://www.uniprot.org/uniprot/ENTE_ECOLI ENTE_ECOLI] Activates the carboxylate group of 2,3-dihydroxy-benzoate (2,3-DHB), via ATP-dependent PPi exchange reactions, to the acyladenylate. Then, catalyzes the acylation of holo-EntB with 2,3-DHB adenylate, preparing that molecule for amide bond formation with L-serine.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Nonribosomal peptide synthetases (NRPSs) are modular proteins that produce peptide antibiotics and siderophores. These enzymes act as catalytic assembly lines where substrates, covalently bound to integrated carrier domains, are delivered to adjacent catalytic domains. The carrier domains are initially loaded by adenylation domains, which use two distinct conformations to catalyze sequentially the adenylation of the substrate and the thioesterification of the pantetheine cofactor. We have used a mechanism-based inhibitor to determine the crystal structure of an engineered adenylation-carrier domain protein illustrating the intermolecular interaction between the adenylation and carrier domains. This structure enabled directed mutations to improve the interaction between nonnative partner proteins. Comparison with prior NRPS adenylation domain structures provides insights into the assembly line dynamics of these modular enzymes.
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Structural and Functional Investigation of the Intermolecular Interaction between NRPS Adenylation and Carrier Protein Domains.,Sundlov JA, Shi C, Wilson DJ, Aldrich CC, Gulick AM Chem Biol. 2012 Feb 24;19(2):188-98. PMID:22365602<ref>PMID:22365602</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 3rg2" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Ecoli]]
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[[Category: Escherichia coli]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Gulick, A M]]
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[[Category: Gulick AM]]
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[[Category: Sundlov, J A]]
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[[Category: Sundlov JA]]
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[[Category: 4'phosphopantetheinylation 4'pp cofactor]]
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[[Category: Adenylate-forming enzyme]]
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[[Category: Anl superfamily]]
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[[Category: Ligase]]
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[[Category: Non-ribosomal peptide synthetase carrier protein function]]
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[[Category: Nrps adenylation domain acyl carrier protein]]
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Current revision

Structure of a two-domain NRPS fusion protein containing the EntE adenylation domain and EntB aryl-carrier protein from enterobactin biosynthesis

PDB ID 3rg2

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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