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==binary hvDHFR1:folate complex==
==binary hvDHFR1:folate complex==
<StructureSection load='2jyb' size='340' side='right'caption='[[2jyb]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
<StructureSection load='2jyb' size='340' side='right'caption='[[2jyb]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2jyb]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Atcc_29605 Atcc 29605]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JYB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2JYB FirstGlance]. <br>
<table><tr><td colspan='2'>[[2jyb]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Haloferax_volcanii Haloferax volcanii]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JYB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2JYB FirstGlance]. <br>
</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">folA ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=2246 ATCC 29605])</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Dihydrofolate_reductase Dihydrofolate reductase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.5.1.3 1.5.1.3] </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=2jyb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jyb OCA], [https://pdbe.org/2jyb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2jyb RCSB], [https://www.ebi.ac.uk/pdbsum/2jyb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2jyb 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=2jyb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jyb OCA], [https://pdbe.org/2jyb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2jyb RCSB], [https://www.ebi.ac.uk/pdbsum/2jyb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2jyb ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/DYR_HALVD DYR_HALVD]] Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis (By similarity).  
[https://www.uniprot.org/uniprot/DYRA_HALVD DYRA_HALVD] Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis.<ref>PMID:2509470</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2jyb ConSurf].
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2jyb ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Folate binds to dihydrofolate reductase (DHFR) to form a binary complex whose structure maintains the overall configuration of the enzyme; however, some significant changes are evident when a comparison is made to the enzyme. The structure of DHFR1 from the halophilic Halopherax volcanii was solved in its folate-bound form using nuclear magnetic resonance spectroscopy. NOE data obtained from the (15)N-NOESY-HSQC and (13)C-NOESY-HSQC experiments of the triply labeled ((1)H, (13)C, and (15)N) binary complex were used as input for the structure calculation with the Crystallography and Nuclear Magnetic Resonance System program. The resulting family of structures was compared with the enzyme solved by both nuclear magnetic resonance and X-ray crystallography and also to the mesophilic folate-bound enzyme from Escherichia coli. The binary complex exhibited less convergence of structure in the alpha2-helix and differences in the hinge residues D39 and A94. In comparison to the previously reported mesophilic binary complex solved by X-ray crystallography, the halophilic binary complex reported here does not agree with the convergence of the M20 loop to a single structure. The corresponding L21 loop of the halophilic binary complex family of structures solved by nuclear magnetic resonance indicates variability in this region.
NMR-derived folate-bound structure of dihydrofolate reductase 1 from the halophile Haloferax volcanii.,Boroujerdi AF, Young JK Biopolymers. 2009 Feb;91(2):140-4. doi: 10.1002/bip.21096. PMID:18825778<ref>PMID:18825778</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 2jyb" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Atcc 29605]]
[[Category: Haloferax volcanii]]
[[Category: Dihydrofolate reductase]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Boroujerdi, A A.F B]]
[[Category: Boroujerdi AAFB]]
[[Category: Young, J K]]
[[Category: Young JK]]
[[Category: Dhfr]]
[[Category: Folate]]
[[Category: Halophilic]]
[[Category: Nadp]]
[[Category: One-carbon metabolism]]
[[Category: Oxidoreductase]]

Latest revision as of 06:43, 1 May 2024

binary hvDHFR1:folate complex

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