1cps

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{{Seed}}
 
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[[Image:1cps.png|left|200px]]
 
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==STRUCTURAL COMPARISON OF SULFODIIMINE AND SULFONAMIDE INHIBITORS IN THEIR COMPLEXES WITH ZINC ENZYMES==
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The line below this paragraph, containing "STRUCTURE_1cps", creates the "Structure Box" on the page.
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<StructureSection load='1cps' size='340' side='right'caption='[[1cps]], [[Resolution|resolution]] 2.25&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'>[[1cps]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CPS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CPS FirstGlance]. <br>
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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]] 2.25&#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=CPM:S-(2-CARBOXY-3-PHENYLPROPYL)THIODIIMINE-S-METHANE'>CPM</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_1cps| PDB=1cps | 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=1cps FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cps OCA], [https://pdbe.org/1cps PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cps RCSB], [https://www.ebi.ac.uk/pdbsum/1cps PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cps ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CBPA1_BOVIN CBPA1_BOVIN] Carboxypeptidase that catalyzes the release of a C-terminal amino acid, but has little or no action with -Asp, -Glu, -Arg, -Lys or -Pro (By similarity).
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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/cp/1cps_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1cps 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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The three-dimensional structure of (L(-)-2-carboxy-3-phenylpropyl) methylsulfodiimine in its complex with the zinc metalloenzyme carboxypeptidase A has been determined at 2.25-A resolution by x-ray crystallographic methods. This is the first example of a sulfodiimine-containing inhibitor binding to a zinc enzyme, and the structure of the enzyme-inhibitor complex reveals that the tetrahedral sulfodiimine group coordinates to the active site zinc ion in unidentate fashion. The zinc-coordinated nitrogen atom of the sulfodiimine group is also within hydrogen bonding distance to active site base Glu-270; presumably, the sulfodiimine is ionized and accepts a hydrogen bond from protonated Glu-270. The other sulfodiimine nitrogen accepts a hydrogen bond from Arg-127, and the inhibitor binds as a possible analogue of the tetrahedral transition state (or intermediate) in a promoted water pathway for peptide hydrolysis. The unidentate sulfodiimine-zinc binding mode observed in this enzyme-inhibitor complex is reminiscent of that observed in sulfonamide complexes with the zinc metalloenzyme carbonic anhydrase II, and the structural features of sulfodiimine- and sulfonamide-zinc interactions exhibit important similarities among recently determined structures of enzyme-inhibitor complexes: ionized nitrogens bind to zinc in each structure, and these nitrogens are engaged in hydrogen bond interactions with neighboring enzyme residues.
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===STRUCTURAL COMPARISON OF SULFODIIMINE AND SULFONAMIDE INHIBITORS IN THEIR COMPLEXES WITH ZINC ENZYMES===
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Structural comparison of sulfodiimine and sulfonamide inhibitors in their complexes with zinc enzymes.,Cappalonga AM, Alexander RS, Christianson DW J Biol Chem. 1992 Sep 25;267(27):19192-7. PMID:1527041<ref>PMID:1527041</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 1cps" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_1527041}}, 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 1527041 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_1527041}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1CPS is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CPS OCA].
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==Reference==
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<ref group="xtra">PMID:1527041</ref><references group="xtra"/>
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[[Category: Bos taurus]]
[[Category: Bos taurus]]
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[[Category: Carboxypeptidase A]]
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[[Category: Large Structures]]
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[[Category: Alexander, R S.]]
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[[Category: Alexander RS]]
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[[Category: Cappalonga, A M.]]
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[[Category: Cappalonga AM]]
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[[Category: Christianson, D W.]]
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[[Category: Christianson DW]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Feb 16 13:36:29 2009''
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Current revision

STRUCTURAL COMPARISON OF SULFODIIMINE AND SULFONAMIDE INHIBITORS IN THEIR COMPLEXES WITH ZINC ENZYMES

PDB ID 1cps

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