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- PDB-8fac: Structure of the leucine-rich repeat kinase 1 monomer -

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Basic information

Entry
Database: PDB / ID: 8fac
TitleStructure of the leucine-rich repeat kinase 1 monomer
ComponentsLeucine-rich repeat serine/threonine-protein kinase 1
KeywordsTRANSFERASE / kinase / LRRK / multi-domain protein / GTPase
Function / homology
Function and homology information


osteoclast development / positive regulation of intracellular signal transduction / bone resorption / positive regulation of canonical Wnt signaling pathway / non-specific serine/threonine protein kinase / intracellular signal transduction / protein serine kinase activity / protein serine/threonine kinase activity / GTP binding / mitochondrion ...osteoclast development / positive regulation of intracellular signal transduction / bone resorption / positive regulation of canonical Wnt signaling pathway / non-specific serine/threonine protein kinase / intracellular signal transduction / protein serine kinase activity / protein serine/threonine kinase activity / GTP binding / mitochondrion / ATP binding / metal ion binding / identical protein binding / plasma membrane / cytosol
Similarity search - Function
: / C-terminal of Roc, COR-B domain / C-terminal of Roc (COR) domain / C-terminal of Roc, COR-A domain / Ras of Complex, Roc, domain of DAPkinase / Roc domain profile. / Roc domain / Leucine Rich Repeat / Leucine-rich repeats, bacterial type / Leucine-rich repeat, typical subtype ...: / C-terminal of Roc, COR-B domain / C-terminal of Roc (COR) domain / C-terminal of Roc, COR-A domain / Ras of Complex, Roc, domain of DAPkinase / Roc domain profile. / Roc domain / Leucine Rich Repeat / Leucine-rich repeats, bacterial type / Leucine-rich repeat, typical subtype / Leucine-rich repeats, typical (most populated) subfamily / Leucine-rich repeat profile. / Leucine-rich repeat / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Leucine-rich repeat domain superfamily / Ankyrin repeat-containing domain superfamily / Protein kinase domain / WD40-repeat-containing domain superfamily / Serine/Threonine protein kinases, catalytic domain / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
GUANOSINE-5'-DIPHOSPHATE / Leucine-rich repeat serine/threonine-protein kinase 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.92 Å
AuthorsMetcalfe, R.D. / Martinez Fiesco, J.A. / Zhang, P.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)ZIA BC 011744 United States
CitationJournal: Nat Commun / Year: 2023
Title: Structure and regulation of full-length human leucine-rich repeat kinase 1.
Authors: Riley D Metcalfe / Juliana A Martinez Fiesco / Luis Bonet-Ponce / Jillian H Kluss / Mark R Cookson / Ping Zhang /
Abstract: The human leucine-rich repeat kinases (LRRKs), LRRK1 and LRRK2 are large and unusually complex multi-domain kinases, which regulate fundamental cellular processes and have been implicated in human ...The human leucine-rich repeat kinases (LRRKs), LRRK1 and LRRK2 are large and unusually complex multi-domain kinases, which regulate fundamental cellular processes and have been implicated in human disease. Structures of LRRK2 have recently been determined, but the structure and molecular mechanisms regulating the activity of the LRRK1 as well as differences in the regulation of LRRK1 and LRRK2 remain unclear. Here, we report a cryo-EM structure of the LRRK1 monomer and a lower-resolution cryo-EM map of the LRRK1 dimer. The monomer structure, in which the kinase is in an inactive conformation, reveals key interdomain interfaces that control kinase activity as we validate experimentally. Both the LRRK1 monomer and dimer are structurally distinct compared to LRRK2. Overall, our results provide structural insights into the activation of the human LRRKs, which advance our understanding of their physiological and pathological roles.
History
DepositionNov 25, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 16, 2023Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Leucine-rich repeat serine/threonine-protein kinase 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)230,0002
Polymers229,5561
Non-polymers4431
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: light scattering
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Leucine-rich repeat serine/threonine-protein kinase 1


Mass: 229556.359 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: LRRK1, KIAA1790 / Production host: Spodoptera frugiperda (fall armyworm)
References: UniProt: Q38SD2, non-specific serine/threonine protein kinase
#2: Chemical ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM
Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Leucine-rich repeat kinase 1 / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Molecular weightValue: 0.23 MDa / Experimental value: YES
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 8.3
SpecimenConc.: 0.2 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: Purified LRRK1
VitrificationInstrument: LEICA EM GP / Cryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company
MicroscopyModel: FEI TALOS ARCTICA
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 800 nm
Image recordingAverage exposure time: 2.5 sec. / Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 7 / Num. of real images: 18074

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Processing

Software
NameVersionClassification
phenix.real_space_refine1.20.1_4487refinement
PHENIX1.20.1_4487refinement
EM software
IDNameCategory
1cryoSPARCparticle selection
2Topazparticle selection
5cryoSPARCCTF correction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 3553719
Details: Particles picked using a Topaz model trained on an initial LRRK1 dataset.
3D reconstructionResolution: 3.92 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 183273
Details: Resolution given for map is the resolution of the global refinement map (D_1000269296). The resolution for the local refinement map was 3.94 (D_1000269298).
Symmetry type: POINT
RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 66.06 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.002211183
ELECTRON MICROSCOPYf_angle_d0.585415150
ELECTRON MICROSCOPYf_chiral_restr0.04211720
ELECTRON MICROSCOPYf_plane_restr0.00311926
ELECTRON MICROSCOPYf_dihedral_angle_d4.22261478

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