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[[Image:1mq0.gif|left|200px]]


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==Crystal Structure of Human Cytidine Deaminase==
The line below this paragraph, containing "STRUCTURE_1mq0", creates the "Structure Box" on the page.
<StructureSection load='1mq0' size='340' side='right'caption='[[1mq0]], [[Resolution|resolution]] 2.40&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'>[[1mq0]] is a 2 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=1MQ0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MQ0 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]] 2.4&#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=BRD:1-BETA-RIBOFURANOSYL-1,3-DIAZEPINONE'>BRD</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
{{STRUCTURE_1mq0| PDB=1mq0 |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1mq0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mq0 OCA], [https://pdbe.org/1mq0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mq0 RCSB], [https://www.ebi.ac.uk/pdbsum/1mq0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mq0 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/CDD_HUMAN CDD_HUMAN] This enzyme scavenge exogenous and endogenous cytidine and 2'-deoxycytidine for UMP synthesis.
== 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/mq/1mq0_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=1mq0 ConSurf].
<div style="clear:both"></div>


'''Crystal Structure of Human Cytidine Deaminase'''
==See Also==
 
*[[Deaminase 3D structures|Deaminase 3D structures]]
 
__TOC__
==Overview==
</StructureSection>
Human cytidine deaminase (CDA) is an enzyme prominent for its role in catalyzing metabolic processing of nucleoside-type anticancer and antiviral agents. It is thus a promising target for the development of small molecule therapeutic adjuvants. We report the first crystal structure of human CDA as a complex with a tight-binding inhibitor, diazepinone riboside 1. The structure reveals that inhibitor 1 is able to establish a canonical pi/pi-interaction with a key active site residue, Phe 137.
 
==About this Structure==
1MQ0 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=1MQ0 OCA].
 
==Reference==
Structure of human cytidine deaminase bound to a potent inhibitor., Chung SJ, Fromme JC, Verdine GL, J Med Chem. 2005 Feb 10;48(3):658-60. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15689149 15689149]
[[Category: Cytidine deaminase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Chung, S J.]]
[[Category: Chung SJ]]
[[Category: Fromme, J C.]]
[[Category: Fromme JC]]
[[Category: Verdine, G L.]]
[[Category: Verdine GL]]
[[Category: Amine hydrolase]]
[[Category: Anticancer]]
[[Category: Chemotherapy]]
[[Category: Cytidine deaminase]]
[[Category: Diazepinone]]
[[Category: Drug]]
[[Category: Edge-to-face interaction]]
[[Category: Enzyme]]
[[Category: Human]]
[[Category: Inhibitor]]
[[Category: Leukemia]]
[[Category: Phi-phi interaction]]
[[Category: Protein]]
[[Category: Zinc]]
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