1cgh: Difference between revisions

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1cgh]] is a 1 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=1CGH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CGH FirstGlance]. <br>
<table><tr><td colspan='2'>[[1cgh]] is a 1 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=1CGH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CGH FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1ZG:N-(3-CARBOXYPROPANOYL)-L-VALYL-N-{(1R)-1-[(S)-HYDROXY(OXIDO)PHOSPHANYL]-2-PHENYLETHYL}-L-PROLINAMIDE'>1ZG</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Cathepsin_G Cathepsin G], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.20 3.4.21.20] </span></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1ZG:N-(3-CARBOXYPROPANOYL)-L-VALYL-N-{(1R)-1-[(S)-HYDROXY(OXIDO)PHOSPHANYL]-2-PHENYLETHYL}-L-PROLINAMIDE'>1ZG</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=1cgh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cgh OCA], [https://pdbe.org/1cgh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cgh RCSB], [https://www.ebi.ac.uk/pdbsum/1cgh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cgh ProSAT]</span></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=1cgh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cgh OCA], [https://pdbe.org/1cgh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cgh RCSB], [https://www.ebi.ac.uk/pdbsum/1cgh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cgh ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/CATG_HUMAN CATG_HUMAN]] Serine protease with trypsin- and chymotrypsin-like specificity. Cleaves complement C3. Has antibacterial activity against the Gram-negative bacterium P.aeruginosa, antibacterial activity is inhibited by LPS from P.aeruginosa, Z-Gly-Leu-Phe-CH2Cl and phenylmethylsulfonyl fluoride.<ref>PMID:8194606</ref> <ref>PMID:1861080</ref> <ref>PMID:1937776</ref>
[https://www.uniprot.org/uniprot/CATG_HUMAN CATG_HUMAN] Serine protease with trypsin- and chymotrypsin-like specificity. Cleaves complement C3. Has antibacterial activity against the Gram-negative bacterium P.aeruginosa, antibacterial activity is inhibited by LPS from P.aeruginosa, Z-Gly-Leu-Phe-CH2Cl and phenylmethylsulfonyl fluoride.<ref>PMID:8194606</ref> <ref>PMID:1861080</ref> <ref>PMID:1937776</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=1cgh ConSurf].
</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=1cgh ConSurf].
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== Publication Abstract from PubMed ==
The crystal structure of human neutrophil cathepsin G, complexed with the peptidyl phosphonate inhibitor Suc-Val-Pro-PheP-(OPh)2, has been determined to a resolution of 1.8 A using Patterson search techniques. The cathepsin G structure shows the polypeptide fold characteristic of trypsin-like serine proteinases and is especially similar to rat mast cell proteinase II. Unique to cathepsin G, however, is the presence of Glu226 (chymotrypsinogen numbering), which is situated at the bottom of the S1 specificity pocket, dividing it into two compartments. For this reason, the benzyl side chain of the inhibitor PheP residue does not fully occupy the pocket but is, instead, located at its entrance. Its positively charged equatorial edge is involved in a favourable electrostatic interaction with the negatively charged carboxylate group of Glu226. Arrangement of this Glu226 carboxylate would also allow accommodation of a Lys side chain in this S1 pocket, in agreement with the recently observed cathepsin G preference for Lys and Phe at P1. The cathepsin G complex with the covalently bound phosphonate inhibitor mimics a tetrahedral substrate intermediate. A comparison of the Arg surface distributions of cathepsin G, leukocyte elastase and rat mast cell protease II shows no simple common recognition pattern for a mannose-6-phosphate receptor-independent targeting mechanism for sorting of these granular proteinases.
The 1.8 A crystal structure of human cathepsin G in complex with Suc-Val-Pro-PheP-(OPh)2: a Janus-faced proteinase with two opposite specificities.,Hof P, Mayr I, Huber R, Korzus E, Potempa J, Travis J, Powers JC, Bode W EMBO J. 1996 Oct 15;15(20):5481-91. PMID:8896442<ref>PMID:8896442</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1cgh" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Cathepsin G]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Bode, W]]
[[Category: Bode W]]
[[Category: Hof, P]]
[[Category: Hof P]]
[[Category: Hydrolase-hydrolase inhibitor complex]]
[[Category: Inflammation]]
[[Category: Serine protease]]
[[Category: Specificity]]

Revision as of 15:39, 13 March 2024

Human cathepsin G

1cgh, resolution 1.80Å

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