View source for 1ixh


==PHOSPHATE-BINDING PROTEIN (PBP) COMPLEXED WITH PHOSPHATE==
<StructureSection load='1ixh' size='340' side='right'caption='[[1ixh]], [[Resolution|resolution]] 0.98&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1ixh]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IXH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1IXH FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 0.98&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</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=1ixh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ixh OCA], [https://pdbe.org/1ixh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ixh RCSB], [https://www.ebi.ac.uk/pdbsum/1ixh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ixh ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/PSTS_ECOLI PSTS_ECOLI] Part of the ABC transporter complex PstSACB involved in phosphate import.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ix/1ixh_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1ixh ConSurf].
<div style="clear:both"></div>
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== Publication Abstract from PubMed ==
A very short hydrogen bond between an Asp and a phosphate is established in two high resolution structures (0.98 and 1.05 A). A mutant complex that changes the Asp to an Asn, which forms a normal hydrogen bond, has a similar free energy of binding to the wild type complex, suggesting that the contribution of the short hydrogen bond is not extraordinarily strong.

A low energy short hydrogen bond in very high resolution structures of protein receptor--phosphate complexes.,Wang Z, Luecke H, Yao N, Quiocho FA Nat Struct Biol. 1997 Jul;4(7):519-22. PMID:9228942<ref>PMID:9228942</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1ixh" style="background-color:#fffaf0;"></div>

==See Also==
*[[Phosphate-binding protein|Phosphate-binding protein]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Escherichia coli]]
[[Category: Large Structures]]
[[Category: Luecke H]]
[[Category: Quiocho FA]]
[[Category: Wang Z]]