4gjs

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<StructureSection load='4gjs' size='340' side='right'caption='[[4gjs]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
<StructureSection load='4gjs' size='340' side='right'caption='[[4gjs]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4gjs]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/As_4.1583 As 4.1583]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4GJS OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4GJS FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4gjs]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptomyces_avidinii Streptomyces avidinii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4GJS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4GJS FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=0OD:TRICHLORO{(1,2,3,4,5-ETA)-1,2,3,4-TETRAMETHYL-5-[2-({5-[(3AS,4S,6AR)-2-OXOHEXAHYDRO-1H-THIENO[3,4-D]IMIDAZOL-4-YL]PENTANOYL}AMINO)ETHYL]CYCLOPENTADIENYL}RHODIUM(1+)'>0OD</scene>, <scene name='pdbligand=RH:RHODIUM'>RH</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]] 1.85&#8491;</td></tr>
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<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=4gjs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4gjs OCA], [http://pdbe.org/4gjs PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4gjs RCSB], [http://www.ebi.ac.uk/pdbsum/4gjs PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4gjs ProSAT]</span></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=0OD:TRICHLORO{(1,2,3,4,5-ETA)-1,2,3,4-TETRAMETHYL-5-[2-({5-[(3AS,4S,6AR)-2-OXOHEXAHYDRO-1H-THIENO[3,4-D]IMIDAZOL-4-YL]PENTANOYL}AMINO)ETHYL]CYCLOPENTADIENYL}RHODIUM(1+)'>0OD</scene>, <scene name='pdbligand=RH:RHODIUM'>RH</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4gjs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4gjs OCA], [https://pdbe.org/4gjs PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4gjs RCSB], [https://www.ebi.ac.uk/pdbsum/4gjs PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4gjs ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/SAV_STRAV SAV_STRAV]] The biological function of streptavidin is not known. Forms a strong non-covalent specific complex with biotin (one molecule of biotin per subunit of streptavidin).
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[https://www.uniprot.org/uniprot/SAV_STRAV SAV_STRAV] The biological function of streptavidin is not known. Forms a strong non-covalent specific complex with biotin (one molecule of biotin per subunit of streptavidin).
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Artificial metalloenzymes result from anchoring an active catalyst within a protein environment. Toward this goal, various localization strategies have been pursued: covalent, supramolecular, or dative anchoring. Herein we show that introduction of a suitably positioned histidine residue contributes to firmly anchor, via a dative bond, a biotinylated rhodium piano stool complex within streptavidin. The in silico design of the artificial metalloenzyme was confirmed by X-ray crystallography. The resulting artificial metalloenzyme displays significantly improved catalytic performance, both in terms of activity and selectivity in the transfer hydrogenation of imines. Depending on the position of the histidine residue, both enantiomers of the salsolidine product can be obtained.
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A Dual Anchoring Strategy for the Localization and Activation of Artificial Metalloenzymes Based on the Biotin-Streptavidin Technology.,Zimbron JM, Heinisch T, Schmid M, Hamels D, Nogueira ES, Schirmer T, Ward TR J Am Chem Soc. 2013 Apr 2. PMID:23496309<ref>PMID:23496309</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 4gjs" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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*[[Avidin|Avidin]]
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*[[Avidin 3D structures|Avidin 3D structures]]
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: As 4 1583]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Heinisch, T]]
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[[Category: Streptomyces avidinii]]
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[[Category: Schirmer, T]]
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[[Category: Heinisch T]]
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[[Category: Artificial metalloenyzme]]
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[[Category: Schirmer T]]
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[[Category: Artificial transfer hydrogenase]]
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[[Category: Beta barrel]]
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[[Category: Biotin]]
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[[Category: Biotin-binding protein]]
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[[Category: Iridium pentamethylcyclopentadienyl]]
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[[Category: Tetramer]]
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Current revision

Streptavidin-K121H

PDB ID 4gjs

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