1fcu: Difference between revisions

No edit summary
No edit summary
 
(12 intermediate revisions by the same user not shown)
Line 1: Line 1:
{{Seed}}
[[Image:1fcu.png|left|200px]]


<!--
==CRYSTAL STRUCTURE (TRIGONAL) OF BEE VENOM HYALURONIDASE==
The line below this paragraph, containing "STRUCTURE_1fcu", creates the "Structure Box" on the page.
<StructureSection load='1fcu' size='340' side='right'caption='[[1fcu]], [[Resolution|resolution]] 2.10&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'>[[1fcu]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Apis_mellifera Apis mellifera]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FCU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FCU 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]] 2.1&#8491;</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=1fcu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fcu OCA], [https://pdbe.org/1fcu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fcu RCSB], [https://www.ebi.ac.uk/pdbsum/1fcu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fcu ProSAT]</span></td></tr>
{{STRUCTURE_1fcu|  PDB=1fcu  |  SCENE=  }}
</table>
== Function ==
[https://www.uniprot.org/uniprot/HUGA_APIME HUGA_APIME] Hydrolyzes high molecular weight hyaluronic acid to produce small oligosaccharides (By similarity).
== 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/fc/1fcu_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1fcu ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
BACKGROUND: Hyaluronic acid (HA) is the most abundant glycosaminoglycan of vertebrate extracellular spaces and is specifically degraded by a beta-1,4 glycosidase. Bee venom hyaluronidase (Hya) shares 30% sequence identity with human hyaluronidases, which are involved in fertilization and the turnover of HA. On the basis of sequence similarity, mammalian enzymes and Hya are assigned to glycosidase family 56 for which no structure has been reported yet. RESULTS: The crystal structure of recombinant (Baculovirus) Hya was determined at 1.6 A resolution. The overall topology resembles a classical (beta/alpha)(8) TIM barrel except that the barrel is composed of only seven strands. A long substrate binding groove extends across the C-terminal end of the barrel. Cocrystallization with a substrate analog revealed the presence of a HA tetramer bound to subsites -4 to -1 and distortion of the -1 sugar. CONCLUSIONS: The structure of the complex strongly suggest an acid-base catalytic mechanism, in which Glu113 acts as the proton donor and the N-acetyl group of the substrate is the nucleophile. The location of the catalytic residues shows striking similarity to bacterial chitinase which also operates via a substrate-assisted mechanism.


===CRYSTAL STRUCTURE (TRIGONAL) OF BEE VENOM HYALURONIDASE===
Crystal structure of hyaluronidase, a major allergen of bee venom.,Markovic-Housley Z, Miglierini G, Soldatova L, Rizkallah PJ, Muller U, Schirmer T Structure. 2000 Oct 15;8(10):1025-35. PMID:11080624<ref>PMID:11080624</ref>


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


<!--
==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_11080624}}, adds the Publication Abstract to the page
*[[Hyaluronidase 3D structures|Hyaluronidase 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 11080624 is the PubMed ID number.
== References ==
-->
<references/>
{{ABSTRACT_PUBMED_11080624}}
__TOC__
 
</StructureSection>
==About this Structure==
1FCU is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Apis_mellifera Apis mellifera]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FCU OCA].
 
==Reference==
<ref group="xtra">PMID:11080624</ref><references group="xtra"/>
[[Category: Apis mellifera]]
[[Category: Apis mellifera]]
[[Category: Hyalurononglucosaminidase]]
[[Category: Large Structures]]
[[Category: Markovic-Housley, Z.]]
[[Category: Markovic-Housley Z]]
[[Category: Miglierini, G.]]
[[Category: Miglierini G]]
[[Category: Mueller, U.]]
[[Category: Mueller U]]
[[Category: Rizkallah, P J.]]
[[Category: Rizkallah PJ]]
[[Category: Schirmer, T.]]
[[Category: Schirmer T]]
[[Category: Soldatova, L.]]
[[Category: Soldatova L]]
[[Category: Allergen]]
[[Category: Glycosidase family 56]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 21:13:20 2009''

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

OCA