2izf: Difference between revisions

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[[Image:2izf.png|left|200px]]


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==STREPTAVIDIN-BIOTIN PH 4.0 I222 COMPLEX==
The line below this paragraph, containing "STRUCTURE_2izf", creates the "Structure Box" on the page.
<StructureSection load='2izf' size='340' side='right'caption='[[2izf]], [[Resolution|resolution]] 1.58&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)  
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[2izf]] 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=2IZF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2IZF FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.58&#8491;</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=BTN:BIOTIN'>BTN</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
{{STRUCTURE_2izf| PDB=2izf |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2izf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2izf OCA], [https://pdbe.org/2izf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2izf RCSB], [https://www.ebi.ac.uk/pdbsum/2izf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2izf ProSAT]</span></td></tr>
</table>
== Function ==
[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).
== 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/iz/2izf_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=2izf ConSurf].
<div style="clear:both"></div>


===STREPTAVIDIN-BIOTIN PH 4.0 I222 COMPLEX===
==See Also==
 
*[[Avidin 3D structures|Avidin 3D structures]]
 
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The line below this paragraph, {{ABSTRACT_PUBMED_9405158}}, adds the Publication Abstract to the page
[[Category: Large Structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 9405158 is the PubMed ID number.
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{{ABSTRACT_PUBMED_9405158}}
 
==About this Structure==
2IZF is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Streptomyces_avidinii Streptomyces avidinii]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IZF OCA].
 
==Reference==
Binding of biotin to streptavidin stabilizes intersubunit salt bridges between Asp61 and His87 at low pH., Katz BA, J Mol Biol. 1997 Dec 19;274(5):776-800. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9405158 9405158]
[[Category: Single protein]]
[[Category: Streptomyces avidinii]]
[[Category: Streptomyces avidinii]]
[[Category: Katz, B A.]]
[[Category: Katz BA]]
[[Category: Biotin-binding protein]]
[[Category: Streptavidin-biotin]]
 
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