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- EMDB-48309: LASV spike complex bound to ARN-75039 at pH 6.0 -

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Open data


ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-48309
TitleLASV spike complex bound to ARN-75039 at pH 6.0
Map dataUnfiltered map
Sample
  • Complex: Spike complex of Lassa virus bound to ARN-75039 at pH 6.0
    • Protein or peptide: Spike complex from Lassa virus
KeywordsSpike complex / VIRAL PROTEIN
Function / homology
Function and homology information


host cell Golgi membrane / receptor-mediated endocytosis of virus by host cell / host cell endoplasmic reticulum membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / host cell plasma membrane / virion membrane / metal ion binding / membrane
Similarity search - Function
Arenavirus glycoprotein, zinc binding domain / Arenavirus glycoprotein / Arenavirus glycoprotein
Similarity search - Domain/homology
Pre-glycoprotein polyprotein GP complex
Similarity search - Component
Biological speciesLassa virus Josiah
Methodsingle particle reconstruction / cryo EM / Resolution: 3.22 Å
AuthorsKatz M / Diskin R
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: The pH-induced Conformational Changes and Inhibition Mechanism of the Lassa Virus Spike Complex
Authors: Cohen-Dvashi H / Katz M / Diskin R
History
DepositionDec 13, 2024-
Header (metadata) releaseAug 27, 2025-
Map releaseAug 27, 2025-
UpdateAug 27, 2025-
Current statusAug 27, 2025Processing site: RCSB / Status: Released

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Structure visualization

Downloads & links

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Map

FileDownload / File: emd_48309.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationUnfiltered map
Voxel sizeX=Y=Z: 0.8242 Å
Density
Contour LevelBy AUTHOR: 0.06
Minimum - Maximum-0.17429271 - 0.37076864
Average (Standard dev.)-0.0000040168866 (±0.014515813)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 210.9952 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Spike complex of Lassa virus bound to ARN-75039 at pH 6.0

EntireName: Spike complex of Lassa virus bound to ARN-75039 at pH 6.0
Components
  • Complex: Spike complex of Lassa virus bound to ARN-75039 at pH 6.0
    • Protein or peptide: Spike complex from Lassa virus

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Supramolecule #1: Spike complex of Lassa virus bound to ARN-75039 at pH 6.0

SupramoleculeName: Spike complex of Lassa virus bound to ARN-75039 at pH 6.0
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Lassa virus Josiah

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Macromolecule #1: Spike complex from Lassa virus

MacromoleculeName: Spike complex from Lassa virus / type: protein_or_peptide / ID: 1 / Enantiomer: LEVO
SequenceString: MGQIVTFFQE VPHVIEEVMN IVLIALSVLA VLKGLYNFAT CGLVGLVTFL LLCGRSCTTS LYKGVYELQ TLELNMETLN MTMPLSCTKN NSHHYIMVGN ETGLELTLTN TSIINHKFCN L SDAHKKNL YDHALMSIIS TFHLSIPNFN QYEAMSCDFN GGKISVQYNL ...String:
MGQIVTFFQE VPHVIEEVMN IVLIALSVLA VLKGLYNFAT CGLVGLVTFL LLCGRSCTTS LYKGVYELQ TLELNMETLN MTMPLSCTKN NSHHYIMVGN ETGLELTLTN TSIINHKFCN L SDAHKKNL YDHALMSIIS TFHLSIPNFN QYEAMSCDFN GGKISVQYNL SHSYAGDAAN HC GTVANGV LQTFMRMAWG GSYIALDSGR GNWDCIMTSY QYLIIQNTTW EDHCQFSRPS PIG YLGLLS QRTRDIYISR RLLGTFTWTL SDSEGKDTPG GYCLTRWMLI EAELKCFGNT AVAK CNEKH DEEFCDMLRL FDFNKQAIQR LKAEAQMSIQ LINKAVNALI NDQLIMKNHL RDIMG IPYC NYSKYWYLNH TTTGRTSLPK CWLVSNGSYL NETHFSDDIE QQADNMITEM LQKEYM ERQ GKTPLGLVDL FVFSTSFYLI SIFLHLVKIP THRHIVGKSC PKPHRLNHMG ICSCGLY KQ PGVPVKWKRG GGSDYKDDDD K

UniProtKB: Pre-glycoprotein polyprotein GP complex

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 38.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.8 µm / Nominal defocus min: 0.6 µm / Nominal magnification: 105000
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: INSILICO MODEL / In silico model: stochastic gradient descent
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.22 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 64316
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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