4ecm

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Current revision (14:58, 14 March 2024) (edit) (undo)
 
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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4ecm]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_anthracis Bacillus anthracis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4ECM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4ECM FirstGlance]. <br>
<table><tr><td colspan='2'>[[4ecm]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_anthracis Bacillus anthracis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4ECM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4ECM 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=DAU:2DEOXY-THYMIDINE-5-DIPHOSPHO-ALPHA-D-GLUCOSE'>DAU</scene>, <scene name='pdbligand=POP:PYROPHOSPHATE+2-'>POP</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]] 2.3&#8491;</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=DAU:2DEOXY-THYMIDINE-5-DIPHOSPHO-ALPHA-D-GLUCOSE'>DAU</scene>, <scene name='pdbligand=POP:PYROPHOSPHATE+2-'>POP</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=4ecm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ecm OCA], [https://pdbe.org/4ecm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4ecm RCSB], [https://www.ebi.ac.uk/pdbsum/4ecm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4ecm 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=4ecm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ecm OCA], [https://pdbe.org/4ecm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4ecm RCSB], [https://www.ebi.ac.uk/pdbsum/4ecm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4ecm ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/A0A6L8PCC3_BACAN A0A6L8PCC3_BACAN]]
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[https://www.uniprot.org/uniprot/A0A6L8PCC3_BACAN A0A6L8PCC3_BACAN]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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L-Rhamnose is a ubiquitous bacterial cell-wall component. The biosynthetic pathway for its precursor dTDP-L-rhamnose is not present in humans, which makes the enzymes of the pathway potential drug targets. In this study, the three-dimensional structure of the first protein of this pathway, glucose-1-phosphate thymidylyltransferase (RfbA), from Bacillus anthracis was determined. In other organisms this enzyme is referred to as RmlA. RfbA was co-crystallized with the products of the enzymatic reaction, dTDP-alpha-D-glucose and pyrophosphate, and its structure was determined at 2.3 A resolution. This is the first reported thymidylyltransferase structure from a Gram-positive bacterium. RfbA shares overall structural characteristics with known RmlA homologs. However, RfbA exhibits a shorter sequence at its C-terminus, which results in the absence of three alpha-helices involved in allosteric site formation. Consequently, RfbA was observed to exhibit a quaternary structure that is unique among currently reported glucose-1-phosphate thymidylyltransferase bacterial homologs. These structural analyses suggest that RfbA may not be allosterically regulated in some organisms and is structurally distinct from other RmlA homologs.
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Structure of the Bacillus anthracis dTDP-L-rhamnose-biosynthetic enzyme glucose-1-phosphate thymidylyltransferase (RfbA).,Baumgartner J, Lee J, Halavaty AS, Minasov G, Anderson WF, Kuhn ML Acta Crystallogr F Struct Biol Commun. 2017 Nov 1;73(Pt 11):621-628. doi:, 10.1107/S2053230X17015357. Epub 2017 Oct 30. PMID:29095156<ref>PMID:29095156</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 4ecm" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Glucose-1-phosphate thymidylyltransferase 3D structures|Glucose-1-phosphate thymidylyltransferase 3D structures]]
*[[Glucose-1-phosphate thymidylyltransferase 3D structures|Glucose-1-phosphate thymidylyltransferase 3D structures]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>

Current revision

2.3 Angstrom Crystal Structure of a Glucose-1-phosphate Thymidylyltransferase from Bacillus anthracis in Complex with Thymidine-5-diphospho-alpha-D-glucose and Pyrophosphate

PDB ID 4ecm

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