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==PLECKSTRIN HOMOLOGY DOMAIN FROM MOUSE BETA-SPECTRIN, NMR, 50 STRUCTURES==
==PLECKSTRIN HOMOLOGY DOMAIN FROM MOUSE BETA-SPECTRIN, NMR, 50 STRUCTURES==
<StructureSection load='1mph' size='340' side='right'caption='[[1mph]], [[NMR_Ensembles_of_Models | 50 NMR models]]' scene=''>
<StructureSection load='1mph' size='340' side='right'caption='[[1mph]]' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1mph]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Lk3_transgenic_mice Lk3 transgenic mice]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MPH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MPH FirstGlance]. <br>
<table><tr><td colspan='2'>[[1mph]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MPH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MPH FirstGlance]. <br>
</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=1mph FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mph OCA], [https://pdbe.org/1mph PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mph RCSB], [https://www.ebi.ac.uk/pdbsum/1mph PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mph ProSAT]</span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=1mph FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mph OCA], [https://pdbe.org/1mph PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mph RCSB], [https://www.ebi.ac.uk/pdbsum/1mph PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mph ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[https://www.uniprot.org/uniprot/SPTB2_MOUSE SPTB2_MOUSE]] Fodrin, which seems to be involved in secretion, interacts with calmodulin in a calcium-dependent manner and is thus candidate for the calcium-dependent movement of the cytoskeleton at the membrane.  
[https://www.uniprot.org/uniprot/SPTB2_MOUSE SPTB2_MOUSE] Fodrin, which seems to be involved in secretion, interacts with calmodulin in a calcium-dependent manner and is thus candidate for the calcium-dependent movement of the cytoskeleton at the membrane.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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=1mph 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=1mph ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
We have used a novel, largely automated, calculation method to refine the NMR solution structure of the pleckstrin homology domain of beta-spectrin. The method is called ARIA for Ambiguous Restraints for Iterative Assignment. The starting point for ARIA is an almost complete assignment of the proton chemical shifts, and a list of partially assigned NOEs, mostly sequential and secondary structure NOEs. The restraint list is then augmented by automatically interpreting peak lists generated by automated peak-picking. The central task of ARIA is the assignment of ambiguous NOEs during the structure calculation using a combination of ambiguous distance restraints and an iterative assignment strategy. In addition, ARIA calibrates ambiguous NOEs to derive distance restraints, merges overlapping data sets to remove duplicate information, and uses empirical rules to identify erroneous peaks. While the distance restraints for the structure calculations were exclusively extracted from homonuclear 2D experiments, ARIA is especially suited for the analysis of multidimensional spectra. Applied to the pleckstrin homology domain, ARIA generated structures of good quality, and of sufficiently high accuracy to solve the X-ray crystal structure of the same domain by molecular replacement. The comparison of the free NMR solution structure to the X-ray structure, which is complexed to D-myo-inositol-1,4,5-triphosphate, shows that the ligand primarily induces a disorder-order transition in the binding loops, which are disordered in the NMR ensemble but well ordered in the crystal. The structural core of the protein is unaffected, as evidenced by a backbone root-mean-square difference between the average NMR coordinates and the X-ray crystal structure for the secondary structure elements of less than 0.6 A.
Automated NOESY interpretation with ambiguous distance restraints: the refined NMR solution structure of the pleckstrin homology domain from beta-spectrin.,Nilges M, Macias MJ, O'Donoghue SI, Oschkinat H J Mol Biol. 1997 Jun 13;269(3):408-22. PMID:9199409<ref>PMID:9199409</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1mph" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Spectrin|Spectrin]]
*[[Spectrin 3D structures|Spectrin 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Lk3 transgenic mice]]
[[Category: Mus musculus]]
[[Category: Donoghue, S I.O]]
[[Category: Macias MJ]]
[[Category: Macias, M J]]
[[Category: Nilges M]]
[[Category: Nilges, M]]
[[Category: O'Donoghue SI]]
[[Category: Oschkinat, H]]
[[Category: Oschkinat H]]
[[Category: Inositol phosphate]]
[[Category: Signal transduction]]

Revision as of 08:39, 10 April 2024

PLECKSTRIN HOMOLOGY DOMAIN FROM MOUSE BETA-SPECTRIN, NMR, 50 STRUCTURES

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