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- PDB-6ugh: Cryo-EM structure of the apo form of human PRMT5:MEP50 complex at... -

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Basic information

Entry
Database: PDB / ID: 6ugh
TitleCryo-EM structure of the apo form of human PRMT5:MEP50 complex at a resolution of 3.4 angstrom
Components
  • Methylosome protein 50WD repeat-containing protein 77
  • Protein arginine N-methyltransferase 5
KeywordsTRANSFERASE / PRMT5 / methyltransferase
Function / homology
Function and homology information


positive regulation of adenylate cyclase-inhibiting dopamine receptor signaling pathway / peptidyl-arginine N-methylation / oocyte axis specification / type II protein arginine methyltransferase / protein-arginine omega-N symmetric methyltransferase activity / peptidyl-arginine methylation / Golgi ribbon formation / negative regulation of epithelial cell proliferation involved in prostate gland development / histone H4R3 methyltransferase activity / secretory columnal luminar epithelial cell differentiation involved in prostate glandular acinus development ...positive regulation of adenylate cyclase-inhibiting dopamine receptor signaling pathway / peptidyl-arginine N-methylation / oocyte axis specification / type II protein arginine methyltransferase / protein-arginine omega-N symmetric methyltransferase activity / peptidyl-arginine methylation / Golgi ribbon formation / negative regulation of epithelial cell proliferation involved in prostate gland development / histone H4R3 methyltransferase activity / secretory columnal luminar epithelial cell differentiation involved in prostate glandular acinus development / epithelial cell proliferation involved in prostate gland development / histone arginine N-methyltransferase activity / methylosome / protein-arginine N-methyltransferase activity / positive regulation of mRNA splicing, via spliceosome / methyl-CpG binding / : / endothelial cell activation / histone H3 methyltransferase activity / Cul4B-RING E3 ubiquitin ligase complex / histone methyltransferase complex / regulation of mitotic nuclear division / positive regulation of oligodendrocyte differentiation / histone methyltransferase activity / E-box binding / negative regulation of cell differentiation / ubiquitin-like ligase-substrate adaptor activity / spliceosomal snRNP assembly / ribonucleoprotein complex binding / regulation of ERK1 and ERK2 cascade / nuclear receptor coactivator activity / regulation of signal transduction by p53 class mediator / liver regeneration / methyltransferase activity / DNA-templated transcription termination / circadian regulation of gene expression / Regulation of TP53 Activity through Methylation / RMTs methylate histone arginines / protein polyubiquitination / transcription corepressor activity / p53 binding / snRNP Assembly / ubiquitin-dependent protein catabolic process / chromatin remodeling / protein heterodimerization activity / positive regulation of cell population proliferation / chromatin / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / Golgi apparatus / nucleoplasm / identical protein binding / nucleus / cytosol / cytoplasm
Similarity search - Function
Protein arginine N-methyltransferase PRMT5 / PRMT5 arginine-N-methyltransferase / PRMT5, TIM barrel domain / PRMT5, oligomerisation domain / PRMT5 arginine-N-methyltransferase / PRMT5 TIM barrel domain / PRMT5 oligomerisation domain / Protein arginine N-methyltransferase / SAM-dependent methyltransferase PRMT-type domain profile. / WD40 repeat, conserved site ...Protein arginine N-methyltransferase PRMT5 / PRMT5 arginine-N-methyltransferase / PRMT5, TIM barrel domain / PRMT5, oligomerisation domain / PRMT5 arginine-N-methyltransferase / PRMT5 TIM barrel domain / PRMT5 oligomerisation domain / Protein arginine N-methyltransferase / SAM-dependent methyltransferase PRMT-type domain profile. / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / S-adenosyl-L-methionine-dependent methyltransferase superfamily
Similarity search - Domain/homology
Protein arginine N-methyltransferase 5 / Methylosome protein WDR77
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsZhou, W. / Yadav, G.P. / Jiang, Q.-X. / Li, C.
Funding support United States, 6items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)HSSN261200800001E United States
National Institutes of Health/National Cancer Institute (NIH/NCI)R01CA212403 United States
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)R21GM131231 United States
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)GM111367 United States
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)GM093271 United States
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)U24GM116788 United States
CitationJournal: To Be Published
Title: A 3.4-angstrom cryo-EM structure of the apo form of hu-man PRMT5:MEP50 complex reveals sequential catalysis of symmetric methyl transfer
Authors: Zhou, W. / Yadav, G.P. / Jiang, Q.-X. / Li, C.
History
DepositionSep 26, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 9, 2020Provider: repository / Type: Initial release
Revision 1.1Mar 20, 2024Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_3d_fitting_list / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id / _em_3d_fitting_list.source_name / _em_3d_fitting_list.type

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Structure visualization

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Assembly

Deposited unit
A: Protein arginine N-methyltransferase 5
B: Methylosome protein 50


Theoretical massNumber of molelcules
Total (without water)114,2852
Polymers114,2852
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Protein arginine N-methyltransferase 5 / 72 kDa ICln-binding protein / Histone-arginine N-methyltransferase PRMT5 / Jak-binding protein 1 / ...72 kDa ICln-binding protein / Histone-arginine N-methyltransferase PRMT5 / Jak-binding protein 1 / Shk1 kinase-binding protein 1 homolog / SKB1Hs


Mass: 74281.250 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: PRMT5, HRMT1L5, IBP72, JBP1, SKB1 / Cell line (production host): Sf9 / Production host: Spodoptera frugiperda (fall armyworm)
References: UniProt: O14744, type II protein arginine methyltransferase
#2: Protein Methylosome protein 50 / WD repeat-containing protein 77 / MEP-50 / Androgen receptor cofactor p44 / WD repeat-containing protein 77 / p44/Mep50


Mass: 40003.660 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: WDR77, MEP50, WD45, HKMT1069, Nbla10071 / Cell line (production host): Sf9 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q9BQA1

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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: apo PRMT5:MEP50 complex / Type: COMPLEX
Details: the apo form of PRMT5:MEP50 heterooctomeric complex
Entity ID: all / Source: RECOMBINANT
Molecular weightValue: 0.445 MDa / Experimental value: YES
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 7.5
Buffer component
IDConc.NameFormulaBuffer-ID
110 mMHEPESC8H18N2O4S1
2150 mMsodium chlorideNaClSodium chloride1
30.33 %glycerolC3H8O31
42 mMDithiothreitolC4H10O2S21
51 %Dimethyl sulfoxideC2H6OS1
SpecimenConc.: 0.4 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: This sample was monodisperse.
Specimen supportGrid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK II / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: -4000 nm / Nominal defocus min: -1000 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm / Alignment procedure: ZEMLIN TABLEAU
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Temperature (max): 123 K / Temperature (min): 93 K
Image recordingElectron dose: 40 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 SUMMIT (4k x 4k)
Image scansMovie frames/image: 40 / Used frames/image: 2-39

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Processing

EM software
IDNameVersionCategory
1RELION3particle selection
2Leginonimage acquisition
4RELION3CTF correction
10RELION3initial Euler assignment
11RELION3final Euler assignment
12RELION3classification
13RELION33D reconstruction
CTF correctionType: PHASE FLIPPING ONLY
SymmetryPoint symmetry: D2 (2x2 fold dihedral)
3D reconstructionResolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 113466 / Symmetry type: POINT
Atomic model buildingPDB-ID: 6CKC

6ckc


Accession code: 6CKC / Source name: PDB / Type: experimental model

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