1fjr: Difference between revisions

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<StructureSection load='1fjr' size='340' side='right'caption='[[1fjr]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
<StructureSection load='1fjr' size='340' side='right'caption='[[1fjr]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1fjr]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Drome Drome]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FJR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FJR FirstGlance]. <br>
<table><tr><td colspan='2'>[[1fjr]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Drosophila_melanogaster Drosophila melanogaster]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FJR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FJR FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=PB:LEAD+(II)+ION'>PB</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=PB:LEAD+(II)+ION'>PB</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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=1fjr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fjr OCA], [https://pdbe.org/1fjr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fjr RCSB], [https://www.ebi.ac.uk/pdbsum/1fjr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fjr ProSAT]</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=1fjr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fjr OCA], [https://pdbe.org/1fjr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fjr RCSB], [https://www.ebi.ac.uk/pdbsum/1fjr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fjr ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/MTH_DROME MTH_DROME] Involved in biological aging and stress response. Essential for adult survival. Required in the presynaptic motor neuron to up-regulate neurotransmitter exocytosis at larval glutamatergic neuromuscular junctions (NMJs). Regulates a step associated with docking and clustering of vesicles at release sites. Sun, Acp70A/SP and eys/SPAM are agonists that activate mth.<ref>PMID:9794765</ref> <ref>PMID:12367510</ref>
== 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=1fjr 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=1fjr ConSurf].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The Drosophila mutant methuselah (mth) was identified from a screen for single gene mutations that extended average lifespan. Mth mutants have a 35% increase in average lifespan and increased resistance to several forms of stress, including heat, starvation, and oxidative damage. The protein affected by this mutation is related to G protein-coupled receptors of the secretin receptor family. Mth, like secretin receptor family members, has a large N-terminal ectodomain, which may constitute the ligand binding site. Here we report the 2.3-A resolution crystal structure of the Mth extracellular region, revealing a folding topology in which three primarily beta-structure-containing domains meet to form a shallow interdomain groove containing a solvent-exposed tryptophan that may represent a ligand binding site. The Mth structure is analyzed in relation to predicted Mth homologs and potential ligand binding features.
Crystal structure of the ectodomain of Methuselah, a Drosophila G protein-coupled receptor associated with extended lifespan.,West AP Jr, Llamas LL, Snow PM, Benzer S, Bjorkman PJ Proc Natl Acad Sci U S A. 2001 Mar 27;98(7):3744-9. Epub 2001 Mar 13. PMID:11274391<ref>PMID:11274391</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1fjr" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Drome]]
[[Category: Drosophila melanogaster]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Benzer, S]]
[[Category: Benzer S]]
[[Category: Bjorkman, P J]]
[[Category: Bjorkman PJ]]
[[Category: Llamas, L L]]
[[Category: Llamas LL]]
[[Category: Snow, P M]]
[[Category: Snow PM]]
[[Category: West, A P]]
[[Category: West Jr AP]]
[[Category: Ectodomain]]
[[Category: G protein-coupled receptor]]
[[Category: Gpcr]]
[[Category: Signaling protein]]

Revision as of 11:13, 27 March 2024

CRYSTAL STRUCTURE OF THE ECTODOMAIN OF METHUSELAH

1fjr, resolution 2.30Å

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