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==Crystal structure of TON1374==
==Crystal structure of TON1374==
<StructureSection load='4mb0' size='340' side='right' caption='[[4mb0]], [[Resolution|resolution]] 1.96&Aring;' scene=''>
<StructureSection load='4mb0' size='340' side='right'caption='[[4mb0]], [[Resolution|resolution]] 1.96&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4mb0]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4MB0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4MB0 FirstGlance]. <br>
<table><tr><td colspan='2'>[[4mb0]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermococcus_onnurineus_NA1 Thermococcus onnurineus NA1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4MB0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4MB0 FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene><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]] 1.96&#8491;</td></tr>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4mb2|4mb2]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene></td></tr>
<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/N-(5-amino-5-carboxypentanoyl)-L-cysteinyl-D-valine_synthase N-(5-amino-5-carboxypentanoyl)-L-cysteinyl-D-valine synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.2.26 6.3.2.26] </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=4mb0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4mb0 OCA], [https://pdbe.org/4mb0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4mb0 RCSB], [https://www.ebi.ac.uk/pdbsum/4mb0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4mb0 ProSAT]</span></td></tr>
<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4mb0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4mb0 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4mb0 RCSB], [http://www.ebi.ac.uk/pdbsum/4mb0 PDBsum]</span></td></tr>
</table>
<table>
== Function ==
<div style="background-color:#fffaf0;">
[https://www.uniprot.org/uniprot/PPS_THEON PPS_THEON] Catalyzes the condensation of (R)-4-phosphopantoate and beta-alanine to 4'-phosphopantothenate in the CoA biosynthesis pathway.[HAMAP-Rule:MF_02224]
== Publication Abstract from PubMed ==
Pantothenate is the essential precursor of coenzyme A (CoA), a fundamental cofactor in all aspects of metabolism. In bacteria and eukaryotes, pantothenate synthetase (PS) catalyzes the last step in the pantothenate biosynthetic pathway, and pantothenate kinase (PanK) phosphorylates pantothenate for its entry into the CoA biosynthetic pathway. However, genes encoding PS and PanK have not been identified in archaeal genomes. Recently, a comparative genomic analysis and the identification and characterization of two novel archaea-specific enzymes show that archaeal pantoate kinase (PoK) and phosphopantothenate synthetase (PPS) represent counterparts to the PS/PanK pathway in bacteria and eukaryotes. The TON1374 protein from Thermococcus onnurineus NA1 is a PPS, that shares 54% sequence identity with the first reported archaeal PPS candidate, MM2281, from Methanosarcina mazei and 91% sequence identity with TK1686, the PPS from Thermococcus kodakarensis. Here, we report the apo and ATP-complex structures of TON1374 and discuss the substrate-binding mode and reaction mechanism.
 
The crystal structure of a novel phosphopantothenate synthetase from the hyperthermophilic archaea, Thermococcus onnurineus NA1.,Kim MK, An YJ, Cha SS Biochem Biophys Res Commun. 2013 Oct 4;439(4):533-8. doi:, 10.1016/j.bbrc.2013.09.008. Epub 2013 Sep 8. PMID:24021277<ref>PMID:24021277</ref>
 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: An, Y J.]]
[[Category: Large Structures]]
[[Category: Cha, S S.]]
[[Category: Thermococcus onnurineus NA1]]
[[Category: Kim, M K.]]
[[Category: An YJ]]
[[Category: Ligase]]
[[Category: Cha S-S]]
[[Category: Kim M-K]]

Latest revision as of 08:56, 20 March 2024

Crystal structure of TON1374

4mb0, resolution 1.96Å

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