4gtf
From Proteopedia
(Difference between revisions)
| Line 4: | Line 4: | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[4gtf]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermotoga_maritima_MSB8 Thermotoga maritima MSB8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4GTF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4GTF FirstGlance]. <br> | <table><tr><td colspan='2'>[[4gtf]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermotoga_maritima_MSB8 Thermotoga maritima MSB8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4GTF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4GTF FirstGlance]. <br> | ||
| - | </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=FAD:FLAVIN-ADENINE+DINUCLEOTIDE'>FAD</scene>, <scene name='pdbligand=MEF:N-({4-[(6AR)-3-AMINO-1-OXO-1,2,5,6,6A,7-HEXAHYDROIMIDAZO[1,5-F]PTERIDIN-8(9H)-YL]PHENYL}CARBONYL)-L-GLUTAMIC+ACID'>MEF</scene>, <scene name='pdbligand=UMP:2-DEOXYURIDINE+5-MONOPHOSPHATE'>UMP</scene></td></tr> | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.77Å</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=FAD:FLAVIN-ADENINE+DINUCLEOTIDE'>FAD</scene>, <scene name='pdbligand=MEF:N-({4-[(6AR)-3-AMINO-1-OXO-1,2,5,6,6A,7-HEXAHYDROIMIDAZO[1,5-F]PTERIDIN-8(9H)-YL]PHENYL}CARBONYL)-L-GLUTAMIC+ACID'>MEF</scene>, <scene name='pdbligand=UMP:2-DEOXYURIDINE+5-MONOPHOSPHATE'>UMP</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=4gtf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4gtf OCA], [https://pdbe.org/4gtf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4gtf RCSB], [https://www.ebi.ac.uk/pdbsum/4gtf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4gtf 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=4gtf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4gtf OCA], [https://pdbe.org/4gtf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4gtf RCSB], [https://www.ebi.ac.uk/pdbsum/4gtf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4gtf ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == Function == | ||
[https://www.uniprot.org/uniprot/THYX_THEMA THYX_THEMA] Catalyzes the formation of dTMP and tetrahydrofolate from dUMP and methylenetetrahydrofolate. | [https://www.uniprot.org/uniprot/THYX_THEMA THYX_THEMA] Catalyzes the formation of dTMP and tetrahydrofolate from dUMP and methylenetetrahydrofolate. | ||
| - | <div style="background-color:#fffaf0;"> | ||
| - | == Publication Abstract from PubMed == | ||
| - | The DNA nucleotide thymidylate is synthesized by the enzyme thymidylate synthase, which catalyzes the reductive methylation of deoxyuridylate using the cofactor methylene-tetrahydrofolate (CH(2)H(4)folate). Most organisms, including humans, rely on the thyA- or TYMS-encoded classic thymidylate synthase, whereas, certain microorganisms, including all Rickettsia and other pathogens, use an alternative thyX-encoded flavin-dependent thymidylate synthase (FDTS). Although several crystal structures of FDTSs have been reported, the absence of a structure with folates limits understanding of the molecular mechanism and the scope of drug design for these enzymes. Here we present X-ray crystal structures of FDTS with several folate derivatives, which together with mutagenesis, kinetic analysis, and computer modeling shed light on the cofactor binding and function. The unique structural data will likely facilitate further elucidation of FDTSs' mechanism and the design of structure-based inhibitors as potential leads to new antimicrobial drugs. | ||
| - | |||
| - | Folate binding site of flavin-dependent thymidylate synthase.,Koehn EM, Perissinotti LL, Moghram S, Prabhakar A, Lesley SA, Mathews II, Kohen A Proc Natl Acad Sci U S A. 2012 Sep 25;109(39):15722-7. Epub 2012 Sep 10. PMID:23019356<ref>PMID:23019356</ref> | ||
| - | |||
| - | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
| - | </div> | ||
| - | <div class="pdbe-citations 4gtf" style="background-color:#fffaf0;"></div> | ||
==See Also== | ==See Also== | ||
*[[Thymidylate synthase 3D structures|Thymidylate synthase 3D structures]] | *[[Thymidylate synthase 3D structures|Thymidylate synthase 3D structures]] | ||
| - | == References == | ||
| - | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
Current revision
T. Maritima FDTS (H53A mutant) with FAD, dUMP and Folate
| |||||||||||
