1fhw: Difference between revisions

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==Structure of the pleckstrin homology domain from GRP1 in complex with inositol(1,3,4,5,6)pentakisphosphate==
==Structure of the pleckstrin homology domain from GRP1 in complex with inositol(1,3,4,5,6)pentakisphosphate==
<StructureSection load='1fhw' size='340' side='right' caption='[[1fhw]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
<StructureSection load='1fhw' size='340' side='right'caption='[[1fhw]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1fhw]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FHW OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1FHW FirstGlance]. <br>
<table><tr><td colspan='2'>[[1fhw]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FHW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FHW FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=I5P:INOSITOL-(1,3,4,5,6)-PENTAKISPHOSPHATE'>I5P</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene><br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9&#8491;</td></tr>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1fhx|1fhx]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=I5P:INOSITOL-(1,3,4,5,6)-PENTAKISPHOSPHATE'>I5P</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1fhw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fhw OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1fhw RCSB], [http://www.ebi.ac.uk/pdbsum/1fhw PDBsum]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1fhw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fhw OCA], [https://pdbe.org/1fhw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fhw RCSB], [https://www.ebi.ac.uk/pdbsum/1fhw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fhw ProSAT]</span></td></tr>
<table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/CYH3_MOUSE CYH3_MOUSE] Promotes guanine-nucleotide exchange on ARF1. Promotes the activation of ARF factors through replacement of GDP with GTP.<ref>PMID:18042453</ref>  
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/fh/1fhw_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/fh/1fhw_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
</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/chain_selection.php?pdb_ID=2ata ConSurf].
</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=1fhw ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Pleckstrin homology (PH) domains are protein modules of around 120 amino acids found in many proteins involved in cellular signaling. Certain PH domains drive signal-dependent membrane recruitment of their host proteins by binding strongly and specifically to lipid second messengers produced by agonist-stimulated phosphoinositide 3-kinases (PI 3-Ks). We describe X-ray crystal structures of two different PH domains bound to Ins(1,3,4,5)P4, the head group of the major PI 3-K product PtdIns(3,4,5)P3. One of these PH domains (from Grp1) is PtdIns(3,4,5)P3 specific, while the other (from DAPP1/PHISH) binds strongly to both PtdIns(3,4,5)P3 and its 5'-dephosphorylation product, PtdIns(3,4)P2. Comparison of the two structures provides an explanation for the distinct phosphoinositide specificities of the two PH domains and allows us to predict the 3-phosphoinositide selectivity of uncharacterized PH domains.
Structural basis for discrimination of 3-phosphoinositides by pleckstrin homology domains.,Ferguson KM, Kavran JM, Sankaran VG, Fournier E, Isakoff SJ, Skolnik EY, Lemmon MA Mol Cell. 2000 Aug;6(2):373-84. PMID:10983984<ref>PMID:10983984</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Ferguson, K M.]]
[[Category: Ferguson KM]]
[[Category: Fournier, E.]]
[[Category: Fournier E]]
[[Category: Isakoff, S J.]]
[[Category: Isakoff SJ]]
[[Category: Kavran, J M.]]
[[Category: Kavran JM]]
[[Category: Lemmon, M A.]]
[[Category: Lemmon MA]]
[[Category: Sankaran, V G.]]
[[Category: Sankaran VG]]
[[Category: Skolnik, E Y.]]
[[Category: Skolnik EY]]
[[Category: 3-phosphoinositide]]
[[Category: Guanine nucleotide exchange factor]]
[[Category: Inositol tetrakisphosphate signal transduction protein]]
[[Category: Pleckstrin]]
[[Category: Signaling protein]]

Latest revision as of 13:15, 20 March 2024

Structure of the pleckstrin homology domain from GRP1 in complex with inositol(1,3,4,5,6)pentakisphosphateStructure of the pleckstrin homology domain from GRP1 in complex with inositol(1,3,4,5,6)pentakisphosphate

Structural highlights

1fhw is a 2 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.9Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CYH3_MOUSE Promotes guanine-nucleotide exchange on ARF1. Promotes the activation of ARF factors through replacement of GDP with GTP.[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

References

  1. ↑ DiNitto JP, Delprato A, Gabe Lee MT, Cronin TC, Huang S, Guilherme A, Czech MP, Lambright DG. Structural basis and mechanism of autoregulation in 3-phosphoinositide-dependent Grp1 family Arf GTPase exchange factors. Mol Cell. 2007 Nov 30;28(4):569-83. PMID:18042453 doi:10.1016/j.molcel.2007.09.017

1fhw, resolution 1.90Å

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