1dch

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[[Image:1dch.gif|left|200px]]
 
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==CRYSTAL STRUCTURE OF DCOH, A BIFUNCTIONAL, PROTEIN-BINDING TRANSCRIPTION COACTIVATOR==
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The line below this paragraph, containing "STRUCTURE_1dch", creates the "Structure Box" on the page.
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<StructureSection load='1dch' size='340' side='right'caption='[[1dch]], [[Resolution|resolution]] 3.00&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'>[[1dch]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DCH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1DCH 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]] 3&#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=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_1dch| PDB=1dch | 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=1dch FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dch OCA], [https://pdbe.org/1dch PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1dch RCSB], [https://www.ebi.ac.uk/pdbsum/1dch PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1dch ProSAT]</span></td></tr>
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</table>
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'''CRYSTAL STRUCTURE OF DCOH, A BIFUNCTIONAL, PROTEIN-BINDING TRANSCRIPTION COACTIVATOR'''
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== Function ==
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[https://www.uniprot.org/uniprot/PHS_RAT PHS_RAT] Involved in tetrahydrobiopterin biosynthesis. Seems to both prevent the formation of 7-pterins and accelerate the formation of quinonoid-BH2. Coactivator for HNF1A-dependent transcription. Regulates the dimerization of homeodomain protein HNF1A and enhances its transcriptional activity.<ref>PMID:1763325</ref> <ref>PMID:8444860</ref>
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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DCoH, the dimerization cofactor of hepatocyte nuclear factor-1, stimulates gene expression by associating with specific DNA binding proteins and also catalyzes the dehydration of the biopterin cofactor of phenylalanine hydroxylase. The x-ray crystal structure determined at 3 angstrom resolution reveals that DCoH forms a tetramer containing two saddle-shaped grooves that comprise likely macromolecule binding sites. Two equivalent enzyme active sites flank each saddle, suggesting that there is a spatial connection between the catalytic and binding activities. Structural similarities between the DCoH fold and nucleic acid-binding proteins argue that the saddle motif has evolved to bind diverse ligands or that DCoH unexpectedly may bind nucleic acids.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/dc/1dch_consurf.spt"</scriptWhenChecked>
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1DCH is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DCH OCA].
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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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==Reference==
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</jmolCheckbox>
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Crystal structure of DCoH, a bifunctional, protein-binding transcriptional coactivator., Endrizzi JA, Cronk JD, Wang W, Crabtree GR, Alber T, Science. 1995 Apr 28;268(5210):556-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7725101 7725101]
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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=1dch ConSurf].
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
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[[Category: Single protein]]
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[[Category: Alber T]]
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[[Category: Alber, T.]]
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[[Category: Crabtree GR]]
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[[Category: Crabtree, G R.]]
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[[Category: Cronk JD]]
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[[Category: Cronk, J D.]]
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[[Category: Endrizzi JA]]
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[[Category: Endrizzi, J A.]]
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[[Category: Wang W]]
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[[Category: Wang, W.]]
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[[Category: 4a-carbinolamine dehydratase]]
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[[Category: Dehydratase]]
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[[Category: Dimerization cofactor]]
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[[Category: Transcriptional simulator]]
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[[Category: Transregulator of homeodomain protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 13:41:24 2008''
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Current revision

CRYSTAL STRUCTURE OF DCOH, A BIFUNCTIONAL, PROTEIN-BINDING TRANSCRIPTION COACTIVATOR

PDB ID 1dch

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