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- EMDB-17311: In situ cryoEM structure of Prototype Foamy Virus Env dimer of trimers -

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Basic information

Entry
Database: EMDB / ID: EMD-17311
TitleIn situ cryoEM structure of Prototype Foamy Virus Env dimer of trimers
Map data
Sample
  • Virus: Eastern chimpanzee simian foamy virus
    • Protein or peptide: Envelope glycoprotein
  • Ligand: CHOLESTEROL
  • Ligand: PHOSPHATIDYLETHANOLAMINE
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
Keywordsmembrane fusion / envelope glycoprotein / foamy virus / MPER / transmembrane / MEMBRANE PROTEIN / VIRAL PROTEIN
Biological speciesEastern chimpanzee simian foamy virus
Methodsingle particle reconstruction / cryo EM / Resolution: 3.7 Å
AuthorsCalcraft T / Nans A / Rosenthal PB
Funding support United Kingdom, 1 items
OrganizationGrant numberCountry
The Francis Crick Institute United Kingdom
CitationJournal: To Be Published
Title: In situ cryoEM structures of PFV
Authors: Calcraft T / Lindemann D / Rosenthal PB
History
DepositionMay 9, 2023-
Header (metadata) releaseJul 10, 2024-
Map releaseJul 10, 2024-
UpdateJul 10, 2024-
Current statusJul 10, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_17311.png

Downloads & links

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Map

FileDownload / File: emd_17311.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.08 Å
Density
Contour LevelBy AUTHOR: 0.0149
Minimum - Maximum-0.0637587 - 0.10649502
Average (Standard dev.)-0.00003628637 (±0.002929873)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 518.4 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_17311_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Eastern chimpanzee simian foamy virus

EntireName: Eastern chimpanzee simian foamy virus
Components
  • Virus: Eastern chimpanzee simian foamy virus
    • Protein or peptide: Envelope glycoprotein
  • Ligand: CHOLESTEROL
  • Ligand: PHOSPHATIDYLETHANOLAMINE
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: Eastern chimpanzee simian foamy virus

SupramoleculeName: Eastern chimpanzee simian foamy virus / type: virus / ID: 1 / Parent: 0 / Macromolecule list: #1 / NCBI-ID: 2170195 / Sci species name: Eastern chimpanzee simian foamy virus / Virus type: VIRION / Virus isolate: STRAIN / Virus enveloped: Yes / Virus empty: No

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Macromolecule #1: Envelope glycoprotein

MacromoleculeName: Envelope glycoprotein / type: protein_or_peptide / ID: 1 / Number of copies: 11 / Enantiomer: LEVO
Source (natural)Organism: Eastern chimpanzee simian foamy virus
Molecular weightTheoretical: 113.804594 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MAPPMTLQQW IIWNKMNKAH EALQNTTTVT EQQKEQIILD IQNEEVQPTR RDKFRYLLYT CCATSSRVLA WIFLVCILLI IVLVSCFVT ISRIQWNKDI QVLGPVIDWN VTQRAVYQPL QTRRIARSLR MQHPVPKYVE VNMTSIPQGV YYEPHPEPIV V KERVLGLS ...String:
MAPPMTLQQW IIWNKMNKAH EALQNTTTVT EQQKEQIILD IQNEEVQPTR RDKFRYLLYT CCATSSRVLA WIFLVCILLI IVLVSCFVT ISRIQWNKDI QVLGPVIDWN VTQRAVYQPL QTRRIARSLR MQHPVPKYVE VNMTSIPQGV YYEPHPEPIV V KERVLGLS QILMINSENI ANNANLTQEV KKLLTEMVNE EMQSLSDVMI DFEIPLGDPR DQEQYIHRKC YQEFANCYLV KY KEPKPWP KEGLIADQCP LPGYHAGLTY NRQSIWDYYI KVESIRPANW TTKSKYGQAR LGSFYIPSSL RQINVSHVLF CSD QLYSKW YNIENTIEQN ERFLLNKLNN LTSGTSVLKK RALPKDWSSQ GKNALFREIN VLDICSKPES VILLNTSYYS FSLW EGDCN FTKDMISQLV PECDGFYNNS KWMHMHPYAC RFWRSKNEKE ETKCRDGETK RCLYYPLWDS PESTYDFGYL AYQKN FPSP ICIEQQKIRD QDYEVYSLYQ ECKIASKAYG IDTVLFSLKN FLNYTGTPVN EMPNARAFVG LIDPKFPPSY PNVTRE HYT SCNNRKRRSV DNNYAKLRSM GYALTGAVQT LSQISDINDE NLQQGIYLLR DHVITLMEAT LHDISVMEGM FAVQHLH TH LNHLKTMLLE RRIDWTYMSS TWLQQQLQKS DDEMKVIKRI ARSLVYYVKQ THSSPTATAW EIGLYYELVI PKHIYLNN W NVVNIGHLVK SAGQLTHVTI AHPYEIINKE CVETIYLHLE DCTRQDYVIC DVVKIVQPCG NSSDTSDCPV WAEAVKEPF VQVNPLKNGS YLVLASSTDC QIPPYVPSIV TVNETTSCFG LDFKRPLVAE ERLSFEPRLP NLQLRLPHLV GIIAKIKGIK IEVTSSGES IKEQIERAKA ELLRLDIHEG DTPAWIQQLA AATKDVWPAA ASALQGIGNF LSGTAQGIFG TAFSLLGYLK P ILIGVGVI LLVILIFKIV SWIPTKKKNQ

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Macromolecule #8: CHOLESTEROL

MacromoleculeName: CHOLESTEROL / type: ligand / ID: 8 / Number of copies: 3 / Formula: CLR
Molecular weightTheoretical: 386.654 Da
Chemical component information

ChemComp-CLR:
CHOLESTEROL

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Macromolecule #9: PHOSPHATIDYLETHANOLAMINE

MacromoleculeName: PHOSPHATIDYLETHANOLAMINE / type: ligand / ID: 9 / Number of copies: 3 / Formula: PTY
Molecular weightTheoretical: 734.039 Da
Chemical component information

ChemComp-PTY:
PHOSPHATIDYLETHANOLAMINE / phospholipid*YM

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Macromolecule #10: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 10 / Number of copies: 9 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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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: 7.4
GridModel: Quantifoil R2/2 / Material: COPPER / Support film - Material: CARBON / Support film - topology: HOLEY ARRAY
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Quantum LS / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Digitization - Dimensions - Width: 3838 pixel / Digitization - Dimensions - Height: 3710 pixel / Average electron dose: 48.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 4.0 µm / Nominal defocus min: 1.0 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 2103361
Startup modelType of model: OTHER
Final reconstructionApplied symmetry - Point group: C2 (2 fold cyclic) / Algorithm: FOURIER SPACE / Resolution.type: BY AUTHOR / Resolution: 3.7 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 324976
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION
FSC plot (resolution estimation)

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