1ppf: Difference between revisions

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[[Image:1ppf.png|left|200px]]


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==X-RAY CRYSTAL STRUCTURE OF THE COMPLEX OF HUMAN LEUKOCYTE ELASTASE (PMN ELASTASE) AND THE THIRD DOMAIN OF THE TURKEY OVOMUCOID INHIBITOR==
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<StructureSection load='1ppf' size='340' side='right'caption='[[1ppf]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1ppf]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Meleagris_gallopavo Meleagris gallopavo]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PPF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1PPF 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]] 1.8&#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=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=FUC:ALPHA-L-FUCOSE'>FUC</scene>, <scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
{{STRUCTURE_1ppf|  PDB=1ppf  |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1ppf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ppf OCA], [https://pdbe.org/1ppf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ppf RCSB], [https://www.ebi.ac.uk/pdbsum/1ppf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ppf ProSAT]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/ELNE_HUMAN ELNE_HUMAN] Defects in ELANE are a cause of cyclic haematopoiesis (CH) [MIM:[https://omim.org/entry/162800 162800]; also known as cyclic neutropenia. CH is an autosomal dominant disease in which blood-cell production from the bone marrow oscillates with 21-day periodicity. Circulating neutrophils vary between almost normal numbers and zero. During intervals of neutropenia, affected individuals are at risk for opportunistic infection. Monocytes, platelets, lymphocytes and reticulocytes also cycle with the same frequency.<ref>PMID:14673143</ref> <ref>PMID:10581030</ref>  Defects in ELANE are the cause of neutropenia severe congenital autosomal dominant type 1 (SCN1) [MIM:[https://omim.org/entry/202700 202700]. SCN1 is a disorder of hematopoiesis characterized by a maturation arrest of granulopoiesis at the level of promyelocytes with peripheral blood absolute neutrophil counts below 0.5 x 10(9)/l and early onset of severe bacterial infections.<ref>PMID:20220065</ref>
== Function ==
[https://www.uniprot.org/uniprot/ELNE_HUMAN ELNE_HUMAN] Modifies the functions of natural killer cells, monocytes and granulocytes. Inhibits C5a-dependent neutrophil enzyme release and chemotaxis.<ref>PMID:15140022</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
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    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/pp/1ppf_consurf.spt"</scriptWhenChecked>
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    <text>to colour the structure by Evolutionary Conservation</text>
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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=1ppf ConSurf].
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== Publication Abstract from PubMed ==
Orthorhombic crystals diffracting beyond 1.7 A resolution, have been grown from the stoichiometric complex formed between human leukocyte elastase (HLE) and the third domain of turkey ovomucoid inhibitor (OMTKY3). The crystal and molecular structure has been determined with the multiple isomorphous replacement technique. The complex has been modeled using the known structure of OMTKY3 and partial sequence information for HLE, and has been refined. The current crystallographic R-value is 0.21 for reflections from 25 to 1.8 A resolution. HLE shows the characteristic polypeptide fold of trypsin-like serine proteinases and consists of 218 amino acid residues. However, several loop segments, mainly arranged around the substrate binding site, have unique conformations. The largest deviations from the other vertebrate proteinases of known spatial structure are around Cys168. The specificity pocket is constricted by Val190, Val216 and Asp226 to preferentially accommodate medium sized hydrophobic amino acids at P1. Seven residues of the OMTKY3-binding segment are in specific contact with HLE. This interaction and geometry around the reactive site are similar as observed in other complexes. It is the first serine proteinase glycoprotein analysed, having two sugar chains attached to Asn159 and to residue 109.


===X-RAY CRYSTAL STRUCTURE OF THE COMPLEX OF HUMAN LEUKOCYTE ELASTASE (PMN ELASTASE) AND THE THIRD DOMAIN OF THE TURKEY OVOMUCOID INHIBITOR===
X-ray crystal structure of the complex of human leukocyte elastase (PMN elastase) and the third domain of the turkey ovomucoid inhibitor.,Bode W, Wei AZ, Huber R, Meyer E, Travis J, Neumann S EMBO J. 1986 Oct;5(10):2453-8. PMID:3640709<ref>PMID:3640709</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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<div class="pdbe-citations 1ppf" style="background-color:#fffaf0;"></div>


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==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_3640709}}, adds the Publication Abstract to the page
*[[Elastase 3D structures|Elastase 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 3640709 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_3640709}}
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</StructureSection>
==About this Structure==
[[Category: Homo sapiens]]
1PPF is a [[Protein complex]] structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PPF OCA].
[[Category: Large Structures]]
 
[[Category: Meleagris gallopavo]]
==Reference==
[[Category: Bode W]]
X-ray crystal structure of the complex of human leukocyte elastase (PMN elastase) and the third domain of the turkey ovomucoid inhibitor., Bode W, Wei AZ, Huber R, Meyer E, Travis J, Neumann S, EMBO J. 1986 Oct;5(10):2453-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/3640709 3640709]
[[Category: Wei A-Z]]
[[Category: Leukocyte elastase]]
[[Category: Protein complex]]
[[Category: Bode, W.]]
[[Category: Wei, A-Z.]]
 
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