1zag

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[[Image:1zag.gif|left|200px]]
 
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{{Structure
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==HUMAN ZINC-ALPHA-2-GLYCOPROTEIN==
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|PDB= 1zag |SIZE=350|CAPTION= <scene name='initialview01'>1zag</scene>, resolution 2.80&Aring;
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<StructureSection load='1zag' size='340' side='right'caption='[[1zag]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene> and <scene name='pdbligand=NDG:2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE'>NDG</scene>
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<table><tr><td colspan='2'>[[1zag]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZAG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ZAG FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.8&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=SIA:O-SIALIC+ACID'>SIA</scene></td></tr>
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}}
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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=1zag FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zag OCA], [https://pdbe.org/1zag PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1zag RCSB], [https://www.ebi.ac.uk/pdbsum/1zag PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1zag ProSAT]</span></td></tr>
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</table>
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'''HUMAN ZINC-ALPHA-2-GLYCOPROTEIN'''
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== Function ==
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[https://www.uniprot.org/uniprot/ZA2G_HUMAN ZA2G_HUMAN] Stimulates lipid degradation in adipocytes and causes the extensive fat losses associated with some advanced cancers. May bind polyunsaturated fatty acids.
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/za/1zag_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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=1zag ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
Zn-alpha2-glycoprotein (ZAG) is a soluble protein that is present in serum and other body fluids. ZAG stimulates lipid degradation in adipocytes and causes the extensive fat losses associated with some advanced cancers. The 2.8 angstrom crystal structure of ZAG resembles a class I major histocompatibility complex (MHC) heavy chain, but ZAG does not bind the class I light chain beta2-microglobulin. The ZAG structure includes a large groove analogous to class I MHC peptide binding grooves. Instead of a peptide, the ZAG groove contains a nonpeptidic compound that may be implicated in lipid catabolism under normal or pathological conditions.
Zn-alpha2-glycoprotein (ZAG) is a soluble protein that is present in serum and other body fluids. ZAG stimulates lipid degradation in adipocytes and causes the extensive fat losses associated with some advanced cancers. The 2.8 angstrom crystal structure of ZAG resembles a class I major histocompatibility complex (MHC) heavy chain, but ZAG does not bind the class I light chain beta2-microglobulin. The ZAG structure includes a large groove analogous to class I MHC peptide binding grooves. Instead of a peptide, the ZAG groove contains a nonpeptidic compound that may be implicated in lipid catabolism under normal or pathological conditions.
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==About this Structure==
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Crystal structure of human ZAG, a fat-depleting factor related to MHC molecules.,Sanchez LM, Chirino AJ, Bjorkman P Science. 1999 Mar 19;283(5409):1914-9. PMID:10206894<ref>PMID:10206894</ref>
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1ZAG is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ZAG OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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Crystal structure of human ZAG, a fat-depleting factor related to MHC molecules., Sanchez LM, Chirino AJ, Bjorkman P, Science. 1999 Mar 19;283(5409):1914-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10206894 10206894]
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</div>
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<div class="pdbe-citations 1zag" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Bjorkman, P J.]]
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[[Category: Bjorkman PJ]]
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[[Category: Chirino, A J.]]
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[[Category: Chirino AJ]]
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[[Category: Sanchez, L M.]]
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[[Category: Sanchez LM]]
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[[Category: NAG]]
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[[Category: NDG]]
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[[Category: lipid mobilization factor]]
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[[Category: secreted mhc class i homolog]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 15:33:08 2008''
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HUMAN ZINC-ALPHA-2-GLYCOPROTEIN

PDB ID 1zag

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