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==Crystal structure of Glu140 to Asn mutant of Diphthine synthase==
==Crystal structure of Glu140 to Asn mutant of Diphthine synthase==
<StructureSection load='2egb' size='340' side='right' caption='[[2egb]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
<StructureSection load='2egb' size='340' side='right'caption='[[2egb]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2egb]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Pyrococcus_horikoshii Pyrococcus horikoshii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2EGB OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2EGB FirstGlance]. <br>
<table><tr><td colspan='2'>[[2egb]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Pyrococcus_horikoshii_OT3 Pyrococcus horikoshii OT3]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2EGB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2EGB FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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]] 1.9&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1wng|1wng]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MES:2-(N-MORPHOLINO)-ETHANESULFONIC+ACID'>MES</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">dphB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=70601 Pyrococcus horikoshii])</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=2egb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2egb OCA], [https://pdbe.org/2egb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2egb RCSB], [https://www.ebi.ac.uk/pdbsum/2egb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2egb ProSAT], [https://www.topsan.org/Proteins/RSGI/2egb TOPSAN]</span></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Diphthine_synthase Diphthine synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.98 2.1.1.98] </span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2egb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2egb OCA], [http://pdbe.org/2egb PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2egb RCSB], [http://www.ebi.ac.uk/pdbsum/2egb PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2egb ProSAT], [http://www.topsan.org/Proteins/RSGI/2egb TOPSAN]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/DPHB_PYRHO DPHB_PYRHO]] S-adenosyl-L-methionine-dependent methyltransferase that catalyzes the trimethylation of the amino group of the modified target histidine residue in translation elongation factor 2 (EF-2), to form an intermediate called diphthine. The three successive methylation reactions represent the second step of diphthamide biosynthesis.<ref>PMID:20873788</ref>
[https://www.uniprot.org/uniprot/DPHB_PYRHO DPHB_PYRHO] S-adenosyl-L-methionine-dependent methyltransferase that catalyzes the trimethylation of the amino group of the modified target histidine residue in translation elongation factor 2 (EF-2), to form an intermediate called diphthine. The three successive methylation reactions represent the second step of diphthamide biosynthesis.<ref>PMID:20873788</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Diphthine synthase]]
[[Category: Large Structures]]
[[Category: Pyrococcus horikoshii]]
[[Category: Pyrococcus horikoshii OT3]]
[[Category: Kunishima, N]]
[[Category: Krishna Swamy BS]]
[[Category: Matsuura, Y]]
[[Category: Kunishima N]]
[[Category: Mizutani, H]]
[[Category: Matsuura Y]]
[[Category: Murthy, M R.N]]
[[Category: Mizutani H]]
[[Category: Structural genomic]]
[[Category: Murthy MRN]]
[[Category: Simanshu, D K]]
[[Category: Simanshu DK]]
[[Category: Swamy, B S.Krishna]]
[[Category: National project on protein structural and functional analyse]]
[[Category: Nppsfa]]
[[Category: Rsgi]]
[[Category: Transferase]]

Latest revision as of 11:39, 25 October 2023

Crystal structure of Glu140 to Asn mutant of Diphthine synthaseCrystal structure of Glu140 to Asn mutant of Diphthine synthase

Structural highlights

2egb is a 2 chain structure with sequence from Pyrococcus horikoshii OT3. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.9Å
Ligands:, , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT, TOPSAN

Function

DPHB_PYRHO S-adenosyl-L-methionine-dependent methyltransferase that catalyzes the trimethylation of the amino group of the modified target histidine residue in translation elongation factor 2 (EF-2), to form an intermediate called diphthine. The three successive methylation reactions represent the second step of diphthamide biosynthesis.[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. ↑ Zhu X, Kim J, Su X, Lin H. Reconstitution of diphthine synthase activity in vitro. Biochemistry. 2010 Nov 9;49(44):9649-57. doi: 10.1021/bi100812h. PMID:20873788 doi:http://dx.doi.org/10.1021/bi100812h

2egb, resolution 1.90Å

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