1z8l

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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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<StructureSection load='1z8l' size='340' side='right' caption='[[1z8l]], [[Resolution|resolution]] 3.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1z8l]] is a 4 chain structure with 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=1Z8L OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1Z8L FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene>, <scene name='pdbligand=NDG:2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE'>NDG</scene><br>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">FOLH1, FOLH, NAALAD1, PSM, PSMA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glutamate_carboxypeptidase_II Glutamate carboxypeptidase II], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.17.21 3.4.17.21] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1z8l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1z8l OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1z8l RCSB], [http://www.ebi.ac.uk/pdbsum/1z8l PDBsum]</span></td></tr>
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<table>
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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/chain_selection.php?pdb_ID=2ata 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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{{STRUCTURE_1z8l| PDB=1z8l | SCENE= }}
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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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===Crystal structure of prostate-specific membrane antigen, a tumor marker and peptidase===
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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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{{ABSTRACT_PUBMED_15837926}}
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==About this Structure==
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[[1z8l]] is a 4 chain structure with 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=1Z8L OCA].
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==See Also==
==See Also==
*[[Carboxypeptidase|Carboxypeptidase]]
*[[Carboxypeptidase|Carboxypeptidase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:015837926</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Glutamate carboxypeptidase II]]
[[Category: Glutamate carboxypeptidase II]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]

Revision as of 20:01, 28 September 2014

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

1z8l, resolution 3.50Å

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