1fy3

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{{Seed}}
 
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[[Image:1fy3.png|left|200px]]
 
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==[G175Q]HBP, A mutant of human heparin binding protein (CAP37)==
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The line below this paragraph, containing "STRUCTURE_1fy3", creates the "Structure Box" on the page.
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<StructureSection load='1fy3' size='340' side='right'caption='[[1fy3]], [[Resolution|resolution]] 1.89&Aring;' scene=''>
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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'>[[1fy3]] 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=1FY3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FY3 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]] 1.89&#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=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=EOH:ETHANOL'>EOH</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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{{STRUCTURE_1fy3| PDB=1fy3 | 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=1fy3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fy3 OCA], [https://pdbe.org/1fy3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fy3 RCSB], [https://www.ebi.ac.uk/pdbsum/1fy3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fy3 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CAP7_HUMAN CAP7_HUMAN] This is a neutrophil granule-derived antibacterial and monocyte- and fibroblast-specific chemotactic glycoprotein. Binds heparin. The cytotoxic action is limited to many species of Gram-negative bacteria; this specificity may be explained by a strong affinity of the very basic N-terminal half for the negatively charged lipopolysaccharides that are unique to the Gram-negative bacterial outer envelope. It may play a role in mediating recruitment of monocytes in the second wave of inflammation. Has antibacterial activity against the Gram-nagative bacterium P.aeruginosa, this activity is inhibited by LPS from P.aeruginosa. Acting alone, it does not have antimicrobial activity against the Gram-negative bacteria A.actinomycetemcomitans ATCC 29532, A.actinomycetemcomitans NCTC 9709, A.actinomycetemcomitans FDC-Y4, H.aphrophilus ATCC 13252, E.corrodens ATCC 23834, C.sputigena ATCC 33123, Capnocytophaga sp ATCC 33124, Capnocytophaga sp ATCC 27872 or E.coli ML-35. Has antibacterial activity against C.sputigena ATCC 33123 when acting synergistically with either elastase or cathepsin G.<ref>PMID:1937776</ref> <ref>PMID:1399008</ref>
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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/fy/1fy3_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=1fy3 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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Heparin binding protein (HBP) is an inactive serine protease homologue with important implications in host defense during infections and inflammations. Two mutants of human HBP, [R23S,F25E]HBP and [G175Q]HBP, have been produced to investigate structure-function relationships of residues in the putative lipid A/lipopolysaccharide (LPS) binding site and BPTI (bovine pancreatic trypsin inhibitor) binding site. The X-ray structures have been determined at 1.9 A resolution for [G175Q]HBP and at 2.5 A resolution for the [R23S,F25E]HBP mutant, and the structures have been fully refined to R-factors of 18.2 % and 20.7 %, respectively. The G175Q mutation does not alter the overall structure of the protein, but the ability to bind BPTI has been eliminated, and the mutant mediates only a limited stimulation of the LPS-induced cytokine release from human monocytes. The lipid A/LPS binding property of [G175Q]HBP is comparable with that of native HBP. The R23S,F25E mutations do not affect the binding of lipid A/LPS and BPTI or the LPS-induced cytokine release from human monocytes. This shows that two diverse ligands, lipid A/LPS and BPTI, do not share binding sites. Previously, there was convincing evidence for the proposed lipid A/LPS binding site of HBP. Unexpectedly, the extensive structural changes introduced by mutation of Arg23 and Phe25 do not affect the binding of lipid A/LPS, indicating that another not yet identified site on HBP is involved in the binding of lipid A/LPS.
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===[G175Q]HBP, A mutant of human heparin binding protein (CAP37)===
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Two mutants of human heparin binding protein (CAP37): toward the understanding of the nature of lipid A/LPS and BPTI binding.,Kastrup JS, Linde V, Pedersen AK, Stoffer B, Iversen LF, Larsen IK, Rasmussen PB, Flodgaard HJ, Bjorn SE Proteins. 2001 Mar 1;42(4):442-51. PMID:11170199<ref>PMID:11170199</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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The line below this paragraph, {{ABSTRACT_PUBMED_11170199}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1fy3" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 11170199 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_11170199}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1FY3 is a 1 chain 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=1FY3 OCA].
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==Reference==
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<ref group="xtra">PMID:11170199</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Bjorn, S E.]]
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[[Category: Large Structures]]
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[[Category: Flodgaard, H J.]]
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[[Category: Bjorn SE]]
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[[Category: Iversen, L F.]]
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[[Category: Flodgaard HJ]]
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[[Category: Kastrup, J S.]]
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[[Category: Iversen LF]]
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[[Category: Larsen, I K.]]
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[[Category: Kastrup JS]]
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[[Category: Linde, V.]]
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[[Category: Larsen IK]]
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[[Category: Pedersen, A K.]]
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[[Category: Linde V]]
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[[Category: Rasmussen, P B.]]
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[[Category: Pedersen AK]]
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[[Category: Stoffer, B.]]
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[[Category: Rasmussen PB]]
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[[Category: Antimicrobial protein]]
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[[Category: Stoffer B]]
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[[Category: Bpti binding site]]
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[[Category: Serine protease homolog]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Nov 4 11:07:22 2009''
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Current revision

[G175Q]HBP, A mutant of human heparin binding protein (CAP37)

PDB ID 1fy3

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