7li3: Difference between revisions
No edit summary |
No edit summary |
||
Line 1: | Line 1: | ||
==Structure of the LRRK2 G2019S mutant== | ==Structure of the LRRK2 G2019S mutant== | ||
<StructureSection load='7li3' size='340' side='right'caption='[[7li3]]' scene=''> | <StructureSection load='7li3' size='340' side='right'caption='[[7li3]], [[Resolution|resolution]] 3.80Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7LI3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7LI3 FirstGlance]. <br> | <table><tr><td colspan='2'>[[7li3]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7LI3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7LI3 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=7li3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7li3 OCA], [https://pdbe.org/7li3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7li3 RCSB], [https://www.ebi.ac.uk/pdbsum/7li3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7li3 ProSAT]</span></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ATP:ADENOSINE-5-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</scene></td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">LRRK2, PARK8 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=7li3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7li3 OCA], [https://pdbe.org/7li3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7li3 RCSB], [https://www.ebi.ac.uk/pdbsum/7li3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7li3 ProSAT]</span></td></tr> | |||
</table> | </table> | ||
== Disease == | |||
[[https://www.uniprot.org/uniprot/LRRK2_HUMAN LRRK2_HUMAN]] Defects in LRRK2 are the cause of Parkinson disease type 8 (PARK8) [MIM:[https://omim.org/entry/607060 607060]]. A slowly progressive neurodegenerative disorder characterized by bradykinesia, rigidity, resting tremor, postural instability, neuronal loss in the substantia nigra, and the presence of neurofibrillary MAPT (tau)-positive and Lewy bodies in some patients.<ref>PMID:21850687</ref> <ref>PMID:16321986</ref> <ref>PMID:16269541</ref> <ref>PMID:15541309</ref> <ref>PMID:15541308</ref> <ref>PMID:16081470</ref> <ref>PMID:16087219</ref> <ref>PMID:15726496</ref> <ref>PMID:15732108</ref> <ref>PMID:15852371</ref> <ref>PMID:16240353</ref> <ref>PMID:15880653</ref> <ref>PMID:15929036</ref> <ref>PMID:16251215</ref> <ref>PMID:16272164</ref> <ref>PMID:16333314</ref> <ref>PMID:16272257</ref> <ref>PMID:15680455</ref> <ref>PMID:15680456</ref> <ref>PMID:15680457</ref> <ref>PMID:15811454</ref> <ref>PMID:16250030</ref> <ref>PMID:16172858</ref> <ref>PMID:16157901</ref> <ref>PMID:16247070</ref> <ref>PMID:16157908</ref> <ref>PMID:16157909</ref> <ref>PMID:15925109</ref> <ref>PMID:16298482</ref> <ref>PMID:16102999</ref> <ref>PMID:16533964</ref> <ref>PMID:17019612</ref> <ref>PMID:18213618</ref> <ref>PMID:21641266</ref> | |||
== Function == | |||
[[https://www.uniprot.org/uniprot/LRRK2_HUMAN LRRK2_HUMAN]] May play a role in the phosphorylation of proteins central to Parkinson disease. Phosphorylates PRDX3. May also have GTPase activity. Positively regulates autophagy through a calcium-dependent activation of the CaMKK/AMPK signaling pathway. The process involves activation of nicotinic acid adenine dinucleotide phosphate (NAADP) receptors, increase in lysosomal pH, and calcium release from lysosomes.<ref>PMID:16352719</ref> <ref>PMID:20949042</ref> <ref>PMID:21850687</ref> <ref>PMID:22012985</ref> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Mutations in leucine-rich repeat kinase 2 (LRRK2) are commonly implicated in the pathogenesis of both familial and sporadic Parkinson's disease (PD). LRRK2 regulates critical cellular processes at membranous organelles and forms microtubule-based pathogenic filaments, yet the molecular basis underlying these biological roles of LRRK2 remains largely enigmatic. Here, we determined high-resolution structures of full-length human LRRK2, revealing its architecture and key interdomain scaffolding elements for rationalizing disease-causing mutations. The kinase domain of LRRK2 is captured in an inactive state, a conformation also adopted by the most common PD-associated mutation, LRRK2(G2019S). This conformation serves as a framework for structure-guided design of conformational specific inhibitors. We further determined the structure of COR-mediated LRRK2 dimers and found that single-point mutations at the dimer interface abolished pathogenic filamentation in cells. Overall, our study provides mechanistic insights into physiological and pathological roles of LRRK2 and establishes a structural template for future therapeutic intervention in PD. | |||
Structural analysis of the full-length human LRRK2.,Myasnikov A, Zhu H, Hixson P, Xie B, Yu K, Pitre A, Peng J, Sun J Cell. 2021 Jun 3. pii: S0092-8674(21)00601-2. doi: 10.1016/j.cell.2021.05.004. PMID:34107286<ref>PMID:34107286</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 7li3" style="background-color:#fffaf0;"></div> | |||
== References == | |||
<references/> | |||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Human]] | |||
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
[[Category: Hixson P]] | [[Category: Hixson, P]] | ||
[[Category: Myasnikov A]] | [[Category: Myasnikov, A]] | ||
[[Category: Peng J]] | [[Category: Peng, J]] | ||
[[Category: Pitre A]] | [[Category: Pitre, A]] | ||
[[Category: Sun J]] | [[Category: Sun, J]] | ||
[[Category: Xie B]] | [[Category: Xie, B]] | ||
[[Category: Yu K]] | [[Category: Yu, K]] | ||
[[Category: Zhu H]] | [[Category: Zhu, H]] | ||
[[Category: Cryo-em]] | |||
[[Category: Hydrolase]] | |||
[[Category: Kinase]] | |||
[[Category: Microtubule]] | |||
[[Category: Neuropeptide]] | |||
[[Category: Parkinson's disease]] | |||
[[Category: Transferase]] |
Revision as of 13:10, 14 July 2021
Structure of the LRRK2 G2019S mutantStructure of the LRRK2 G2019S mutant
Structural highlights
Disease[LRRK2_HUMAN] Defects in LRRK2 are the cause of Parkinson disease type 8 (PARK8) [MIM:607060]. A slowly progressive neurodegenerative disorder characterized by bradykinesia, rigidity, resting tremor, postural instability, neuronal loss in the substantia nigra, and the presence of neurofibrillary MAPT (tau)-positive and Lewy bodies in some patients.[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] Function[LRRK2_HUMAN] May play a role in the phosphorylation of proteins central to Parkinson disease. Phosphorylates PRDX3. May also have GTPase activity. Positively regulates autophagy through a calcium-dependent activation of the CaMKK/AMPK signaling pathway. The process involves activation of nicotinic acid adenine dinucleotide phosphate (NAADP) receptors, increase in lysosomal pH, and calcium release from lysosomes.[35] [36] [37] [38] Publication Abstract from PubMedMutations in leucine-rich repeat kinase 2 (LRRK2) are commonly implicated in the pathogenesis of both familial and sporadic Parkinson's disease (PD). LRRK2 regulates critical cellular processes at membranous organelles and forms microtubule-based pathogenic filaments, yet the molecular basis underlying these biological roles of LRRK2 remains largely enigmatic. Here, we determined high-resolution structures of full-length human LRRK2, revealing its architecture and key interdomain scaffolding elements for rationalizing disease-causing mutations. The kinase domain of LRRK2 is captured in an inactive state, a conformation also adopted by the most common PD-associated mutation, LRRK2(G2019S). This conformation serves as a framework for structure-guided design of conformational specific inhibitors. We further determined the structure of COR-mediated LRRK2 dimers and found that single-point mutations at the dimer interface abolished pathogenic filamentation in cells. Overall, our study provides mechanistic insights into physiological and pathological roles of LRRK2 and establishes a structural template for future therapeutic intervention in PD. Structural analysis of the full-length human LRRK2.,Myasnikov A, Zhu H, Hixson P, Xie B, Yu K, Pitre A, Peng J, Sun J Cell. 2021 Jun 3. pii: S0092-8674(21)00601-2. doi: 10.1016/j.cell.2021.05.004. PMID:34107286[39] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
|
|