1mjd

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[[Image:1mjd.png|left|200px]]
 
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==Structure of N-terminal domain of human doublecortin==
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The line below this paragraph, containing "STRUCTURE_1mjd", creates the "Structure Box" on the page.
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<StructureSection load='1mjd' size='340' side='right'caption='[[1mjd]]' 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'>[[1mjd]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MJD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MJD 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">Solution NMR</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=1mjd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mjd OCA], [https://pdbe.org/1mjd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mjd RCSB], [https://www.ebi.ac.uk/pdbsum/1mjd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mjd ProSAT]</span></td></tr>
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{{STRUCTURE_1mjd| PDB=1mjd | SCENE= }}
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/DCX_HUMAN DCX_HUMAN] Defects in DCX are the cause of lissencephaly X-linked type 1 (LISX1) [MIM:[https://omim.org/entry/300067 300067]; also called X-LIS or LIS. LISX1 is a classic lissencephaly characterized by mental retardation and seizures that are more severe in male patients. Affected boys show an abnormally thick cortex with absent or severely reduced gyri. Clinical manifestations include feeding problems, abnormal muscular tone, seizures and severe to profound psychomotor retardation. Female patients display a less severe phenotype referred to as 'doublecortex'.<ref>PMID:9489699</ref> <ref>PMID:9489700</ref> <ref>PMID:9668176</ref> <ref>PMID:9817918</ref> <ref>PMID:11468322</ref> <ref>PMID:12552055</ref> Defects in DCX are the cause of subcortical band heterotopia X-linked (SBHX) [MIM:[https://omim.org/entry/300067 300067]; also known as double cortex or subcortical laminar heterotopia (SCLH). SBHX is a mild brain malformation of the lissencephaly spectrum. It is characterized by bilateral and symmetric plates or bands of gray matter found in the central white matter between the cortex and cerebral ventricles, cerebral convolutions usually appearing normal.<ref>PMID:9618162</ref> <ref>PMID:9989615</ref> <ref>PMID:10369164</ref> <ref>PMID:10441340</ref> <ref>PMID:10807542</ref> <ref>PMID:11601509</ref> <ref>PMID:11175293</ref> <ref>PMID:12390976</ref> Note=A chromosomal aberration involving DCX is found in lissencephaly. Translocation t(X;2)(q22.3;p25.1).
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== Function ==
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[https://www.uniprot.org/uniprot/DCX_HUMAN DCX_HUMAN] Microtubule-associated protein required for initial steps of neuronal dispersion and cortex lamination during cerebral cortex development. May act by competing with the putative neuronal protein kinase DCLK1 in binding to a target protein. May in that way participate in a signaling pathway that is crucial for neuronal interaction before and during migration, possibly as part of a calcium ion-dependent signal transduction pathway. May be part with PAFAH1B1/LIS-1 of overlapping, but distinct, signaling pathways that promote neuronal migration.<ref>PMID:22359282</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/mj/1mjd_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=1mjd 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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The doublecortin-like domains (DCX), which typically occur in tandem, are novel microtubule-binding modules. DCX tandems are found in doublecortin, a 360-residue protein expressed in migrating neurons; the doublecortin-like kinase (DCLK); the product of the RP1 gene that is responsible for a form of inherited blindness; and several other proteins. Mutations in the gene encoding doublecortin cause lissencephaly in males and the 'double-cortex syndrome' in females. We here report a solution structure of the N-terminal DCX domain of human doublecortin and a 1.5 A resolution crystal structure of the equivalent domain from human DCLK. Both show a stable, ubiquitin-like tertiary fold with distinct structural similarities to GTPase-binding domains. We also show that the C-terminal DCX domains of both proteins are only partially folded. In functional assays, the N-terminal DCX domain of doublecortin binds only to assembled microtubules, whereas the C-terminal domain binds to both microtubules and unpolymerized tubulin.
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===Structure of N-terminal domain of human doublecortin===
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The DCX-domain tandems of doublecortin and doublecortin-like kinase.,Kim MH, Cierpicki T, Derewenda U, Krowarsch D, Feng Y, Devedjiev Y, Dauter Z, Walsh CA, Otlewski J, Bushweller JH, Derewenda ZS Nat Struct Biol. 2003 May;10(5):324-33. PMID:12692530<ref>PMID:12692530</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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The line below this paragraph, {{ABSTRACT_PUBMED_12692530}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1mjd" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 12692530 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_12692530}}
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__TOC__
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</StructureSection>
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==Disease==
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Known disease associated with this structure: Lissencephaly, X-linked OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=300121 300121]], Subcortical laminal heteropia, X-linked OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=300121 300121]]
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==About this Structure==
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1MJD is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MJD OCA].
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==Reference==
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The DCX-domain tandems of doublecortin and doublecortin-like kinase., Kim MH, Cierpicki T, Derewenda U, Krowarsch D, Feng Y, Devedjiev Y, Dauter Z, Walsh CA, Otlewski J, Bushweller JH, Derewenda ZS, Nat Struct Biol. 2003 May;10(5):324-33. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12692530 12692530]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Bushweller, J H.]]
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[[Category: Bushweller JH]]
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[[Category: Cierpicki, T.]]
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[[Category: Cierpicki T]]
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[[Category: Dauter, Z.]]
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[[Category: Dauter Z]]
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[[Category: Derewenda, U.]]
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[[Category: Derewenda U]]
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[[Category: Derewenda, Z S.]]
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[[Category: Derewenda ZS]]
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[[Category: Devedjiev, Y.]]
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[[Category: Devedjiev Y]]
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[[Category: Feng, Y.]]
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[[Category: Feng Y]]
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[[Category: Kim, M H.]]
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[[Category: Kim MH]]
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[[Category: Krowarsch, D.]]
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[[Category: Krowarsch D]]
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[[Category: Otlewski, J.]]
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[[Category: Otlewski J]]
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[[Category: Walsh, C A.]]
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[[Category: Walsh CA]]
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[[Category: Dcx domain]]
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[[Category: Microtubule associated protein]]
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[[Category: Ubiquitin-like fold]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jul 3 00:06:20 2008''
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Current revision

Structure of N-terminal domain of human doublecortin

PDB ID 1mjd

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