1z8l

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{{Seed}}
 
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[[Image:1z8l.png|left|200px]]
 
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==Crystal structure of prostate-specific membrane antigen, a tumor marker and peptidase==
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The line below this paragraph, containing "STRUCTURE_1z8l", creates the "Structure Box" on the page.
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<StructureSection load='1z8l' size='340' side='right'caption='[[1z8l]], [[Resolution|resolution]] 3.50&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1z8l]] 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=1Z8L OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1Z8L FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 3.5&#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=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=NDG:2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE'>NDG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_1z8l| PDB=1z8l | SCENE= }}
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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=1z8l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1z8l OCA], [https://pdbe.org/1z8l PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1z8l RCSB], [https://www.ebi.ac.uk/pdbsum/1z8l PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1z8l ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/FOLH1_HUMAN FOLH1_HUMAN] Has both folate hydrolase and N-acetylated-alpha-linked-acidic dipeptidase (NAALADase) activity. Has a preference for tri-alpha-glutamate peptides. In the intestine, required for the uptake of folate. In the brain, modulates excitatory neurotransmission through the hydrolysis of the neuropeptide, N-aceylaspartylglutamate (NAAG), thereby releasing glutamate. Isoform PSM-4 and isoform PSM-5 would appear to be physiologically irrelevant. Involved in prostate tumor progression. Also exhibits a dipeptidyl-peptidase IV type activity. In vitro, cleaves Gly-Pro-AMC.
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== Evolutionary Conservation ==
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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/z8/1z8l_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=1z8l 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 ==
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Prostate-specific membrane antigen (PSMA) is highly expressed in prostate cancer cells and nonprostatic solid tumor neovasculature and is a target for anticancer imaging and therapeutic agents. PSMA acts as a glutamate carboxypeptidase (GCPII) on small molecule substrates, including folate, the anticancer drug methotrexate, and the neuropeptide N-acetyl-l-aspartyl-l-glutamate. Here we present the 3.5-A crystal structure of the PSMA ectodomain, which reveals a homodimer with structural similarity to transferrin receptor, a receptor for iron-loaded transferrin that lacks protease activity. Unlike transferrin receptor, the protease domain of PSMA contains a binuclear zinc site, catalytic residues, and a proposed substrate-binding arginine patch. Elucidation of the PSMA structure combined with docking studies and a proposed catalytic mechanism provides insight into the recognition of inhibitors and the natural substrate N-acetyl-l-aspartyl-l-glutamate. The PSMA structure will facilitate development of chemotherapeutics, cancer-imaging agents, and agents for treatment of neurological disorders.
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===Crystal structure of prostate-specific membrane antigen, a tumor marker and peptidase===
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Crystal structure of prostate-specific membrane antigen, a tumor marker and peptidase.,Davis MI, Bennett MJ, Thomas LM, Bjorkman PJ Proc Natl Acad Sci U S A. 2005 Apr 26;102(17):5981-6. Epub 2005 Apr 18. PMID:15837926<ref>PMID:15837926</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 1z8l" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_15837926}}, adds the Publication Abstract to the page
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*[[Carboxypeptidase 3D structures|Carboxypeptidase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 15837926 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_15837926}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1Z8L is a 4 chains structure of sequences 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=1Z8L OCA].
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==Reference==
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<ref group="xtra">PMID:15837926</ref><references group="xtra"/>
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[[Category: Glutamate carboxypeptidase II]]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Bennett, M J.]]
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[[Category: Large Structures]]
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[[Category: Bjorkman, P J.]]
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[[Category: Bennett MJ]]
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[[Category: Davis, M I.]]
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[[Category: Bjorkman PJ]]
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[[Category: Thomas, L M.]]
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[[Category: Davis MI]]
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[[Category: Dimeric protein with three domains of type a+b]]
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[[Category: Thomas LM]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 11:01:22 2009''
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Current revision

Crystal structure of prostate-specific membrane antigen, a tumor marker and peptidase

PDB ID 1z8l

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