2fa1

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[[Image:2fa1.gif|left|200px]]<br /><applet load="2fa1" size="350" color="white" frame="true" align="right" spinBox="true"
 
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caption="2fa1, resolution 1.70&Aring;" />
 
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'''Crystal structure of PhnF C-terminal domain'''<br />
 
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==Overview==
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==Crystal structure of PhnF C-terminal domain==
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The crystal structure of Escherichia coli PhnF C-terminal domain (C-PhnF) was solved at 1.7 A resolution by the single wavelength anomalous dispersion (SAD) method. The PhnF protein belongs to the HutC subfamily of the large GntR transcriptional regulator family. Members of this family share similar N-terminal DNA-binding domains, but are divided into four subfamilies according to their heterogenic C-terminal domains, which are involved in effector binding and oligomerization. The C-PhnF structure provides for the first time the scaffold of this domain for the HutC subfamily, which covers about 31% of GntR-like regulators. The structure represents a mixture of alpha-helices and beta-strands, with a six-stranded antiparallel beta-sheet at the core. C-PhnF monomers form a dimer by establishing interdomain eight-strand beta-sheets that include core antiparallel and N-terminal two-strand parallel beta-sheets from each monomer. C-PhnF shares strong structural similarity with the chorismate lyase fold, which features a buried active site locked behind two helix-turn-helix loops. The structural comparison of the C-PhnF and UbiC proteins allows us to propose that a similar site in the PhnF structure is adapted for effector binding.
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<StructureSection load='2fa1' size='340' side='right'caption='[[2fa1]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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== Structural highlights ==
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==About this Structure==
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<table><tr><td colspan='2'>[[2fa1]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FA1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2FA1 FirstGlance]. <br>
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2FA1 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] with <scene name='pdbligand=BDF:'>BDF</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2FA1 OCA].
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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]] 1.7&#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=BDF:BETA-D-FRUCTOPYRANOSE'>BDF</scene></td></tr>
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==Reference==
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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=2fa1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2fa1 OCA], [https://pdbe.org/2fa1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2fa1 RCSB], [https://www.ebi.ac.uk/pdbsum/2fa1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2fa1 ProSAT], [https://www.topsan.org/Proteins/MCSG/2fa1 TOPSAN]</span></td></tr>
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Structural characterization of GntR/HutC family signaling domain., Gorelik M, Lunin VV, Skarina T, Savchenko A, Protein Sci. 2006 Jun;15(6):1506-11. Epub 2006 May 2. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=16672238 16672238]
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PHNF_ECOLI PHNF_ECOLI] Belongs to an operon involved in alkylphosphonate uptake and C-P lyase. Exact function not known. By similarity could be a transcriptional regulator.
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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/fa/2fa1_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=2fa1 ConSurf].
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<div style="clear:both"></div>
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__TOC__
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Edwards, A M.]]
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[[Category: Edwards AM]]
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[[Category: Gorelik, M.]]
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[[Category: Gorelik M]]
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[[Category: Lunin, V V.]]
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[[Category: Joachimiak A]]
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[[Category: MCSG, Midwest Center for Structural Genomics.]]
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[[Category: Lunin VV]]
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[[Category: Nocek, B P.]]
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[[Category: Nocek BP]]
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[[Category: Savchenko, A.]]
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[[Category: Savchenko A]]
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[[Category: Skarina, T.]]
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[[Category: Skarina T]]
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[[Category: BDF]]
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[[Category: apc5558]]
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[[Category: effector binding domain]]
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[[Category: mcsg]]
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[[Category: midwest center for structural genomics]]
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[[Category: pnhf]]
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[[Category: protein structure initiative]]
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[[Category: psi]]
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[[Category: regulator]]
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[[Category: transcription]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 17:19:16 2008''
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Current revision

Crystal structure of PhnF C-terminal domain

PDB ID 2fa1

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