1kx8

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{{Seed}}
 
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[[Image:1kx8.png|left|200px]]
 
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==Antennal Chemosensory Protein A6 from Mamestra brassicae, tetragonal form==
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The line below this paragraph, containing "STRUCTURE_1kx8", creates the "Structure Box" on the page.
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<StructureSection load='1kx8' size='340' side='right'caption='[[1kx8]], [[Resolution|resolution]] 2.80&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'>[[1kx8]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mamestra_brassicae Mamestra brassicae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KX8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KX8 FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.8&#8491;</td></tr>
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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=1kx8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kx8 OCA], [https://pdbe.org/1kx8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kx8 RCSB], [https://www.ebi.ac.uk/pdbsum/1kx8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kx8 ProSAT]</span></td></tr>
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{{STRUCTURE_1kx8| PDB=1kx8 | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q9NG96_MAMBR Q9NG96_MAMBR]
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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/kx/1kx8_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=1kx8 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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Chemosensory proteins (CSPs) are believed to be involved in chemical communication and perception. Such proteins, of M(r) 13,000, have been isolated from several sensory organs of a wide range of insect species. Several CSPs have been identified in the antennae and proboscis of the moth Mamestra brassicae. One of them, CSPMbraA6, a 112-amino acid antennal protein, has been expressed in large quantities and is soluble in the Escherichia coli periplasm. X-ray structure determination has been performed in parallel with ligand binding assays using tryptophan fluorescence quenching. The protein has overall dimensions of 25 x 30 x 32 A and exhibits a novel type of alpha-helical fold with six helices connected by alpha-alpha loops. A narrow channel extends within the protein hydrophobic core. Fluorescence quenching with brominated alkyl alcohols or fatty acids and modeling studies indicates that CSPMbraA6 is able to bind such compounds with C12-18 alkyl chains. These ubiquitous proteins might have the role of extracting hydrophobic linear compounds (pheromones, odors, or fatty acids) dispersed in the phospholipid membrane and transporting them to their receptor.
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===Antennal Chemosensory Protein A6 from Mamestra brassicae, tetragonal form===
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X-ray structure and ligand binding study of a moth chemosensory protein.,Lartigue A, Campanacci V, Roussel A, Larsson AM, Jones TA, Tegoni M, Cambillau C J Biol Chem. 2002 Aug 30;277(35):32094-8. Epub 2002 Jun 14. PMID:12068017<ref>PMID:12068017</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_12068017}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1kx8" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 12068017 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_12068017}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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1KX8 is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Mamestra_brassicae Mamestra brassicae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KX8 OCA].
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==Reference==
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<ref group="xtra">PMID:12068017</ref><references group="xtra"/>
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[[Category: Mamestra brassicae]]
[[Category: Mamestra brassicae]]
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[[Category: Cambillau, C.]]
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[[Category: Cambillau C]]
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[[Category: Campanacci, V.]]
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[[Category: Campanacci V]]
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[[Category: Jones, T A.]]
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[[Category: Jones TA]]
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[[Category: Larsson, A M.]]
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[[Category: Larsson AM]]
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[[Category: Lartigue, A.]]
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[[Category: Lartigue A]]
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[[Category: Roussel, A.]]
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[[Category: Roussel A]]
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[[Category: Tegoni, M.]]
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[[Category: Tegoni M]]
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[[Category: All helix]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 11:26:27 2009''
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Current revision

Antennal Chemosensory Protein A6 from Mamestra brassicae, tetragonal form

PDB ID 1kx8

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