1cps
From Proteopedia
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- | [[Image:1cps.png|left|200px]] | ||
- | + | ==STRUCTURAL COMPARISON OF SULFODIIMINE AND SULFONAMIDE INHIBITORS IN THEIR COMPLEXES WITH ZINC ENZYMES== | |
+ | <StructureSection load='1cps' size='340' side='right'caption='[[1cps]], [[Resolution|resolution]] 2.25Å' scene=''> | ||
+ | == Structural highlights == | ||
+ | <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> | ||
+ | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.25Å</td></tr> | ||
+ | <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> | ||
+ | <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> | ||
+ | </table> | ||
+ | == Function == | ||
+ | [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). | ||
+ | == 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/cp/1cps_consurf.spt"</scriptWhenChecked> | ||
+ | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1cps ConSurf]. | ||
+ | <div style="clear:both"></div> | ||
+ | <div style="background-color:#fffaf0;"> | ||
+ | == Publication Abstract from PubMed == | ||
+ | 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. | ||
- | + | 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> | |
- | + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |
+ | </div> | ||
+ | <div class="pdbe-citations 1cps" style="background-color:#fffaf0;"></div> | ||
- | == | + | ==See Also== |
- | [[ | + | *[[Carboxypeptidase 3D structures|Carboxypeptidase 3D structures]] |
- | + | == References == | |
- | == | + | <references/> |
- | < | + | __TOC__ |
+ | </StructureSection> | ||
[[Category: Bos taurus]] | [[Category: Bos taurus]] | ||
- | [[Category: | + | [[Category: Large Structures]] |
- | [[Category: Alexander | + | [[Category: Alexander RS]] |
- | [[Category: Cappalonga | + | [[Category: Cappalonga AM]] |
- | [[Category: Christianson | + | [[Category: Christianson DW]] |
Current revision
STRUCTURAL COMPARISON OF SULFODIIMINE AND SULFONAMIDE INHIBITORS IN THEIR COMPLEXES WITH ZINC ENZYMES
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