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- EMDB-47842: Cryo-EM density map of the mature HIV-1 MA trimer of wild type -

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Basic information

Entry
Database: EMDB / ID: EMD-47842
TitleCryo-EM density map of the mature HIV-1 MA trimer of wild type
Map data
Sample
  • Virus: Human immunodeficiency virus 1
    • Protein or peptide: HIV-1 Matrix Protein
KeywordsMatrix protein / Trimeric assembly / Virus-like particle / HIV Structural Biology / STRUCTURAL PROTEIN
Function / homology
Function and homology information


HIV-1 retropepsin / symbiont-mediated activation of host apoptosis / retroviral ribonuclease H / exoribonuclease H / exoribonuclease H activity / host multivesicular body / DNA integration / viral genome integration into host DNA / RNA-directed DNA polymerase / establishment of integrated proviral latency ...HIV-1 retropepsin / symbiont-mediated activation of host apoptosis / retroviral ribonuclease H / exoribonuclease H / exoribonuclease H activity / host multivesicular body / DNA integration / viral genome integration into host DNA / RNA-directed DNA polymerase / establishment of integrated proviral latency / telomerase activity / viral penetration into host nucleus / RNA stem-loop binding / RNA-DNA hybrid ribonuclease activity / Transferases; Transferring phosphorus-containing groups; Nucleotidyltransferases / host cell / viral nucleocapsid / DNA recombination / DNA-directed DNA polymerase / aspartic-type endopeptidase activity / Hydrolases; Acting on ester bonds / DNA-directed DNA polymerase activity / symbiont-mediated suppression of host gene expression / symbiont entry into host cell / viral translational frameshifting / lipid binding / host cell nucleus / host cell plasma membrane / virion membrane / structural molecule activity / proteolysis / DNA binding / zinc ion binding / membrane
Similarity search - Function
Reverse transcriptase connection / Reverse transcriptase connection domain / Reverse transcriptase thumb / Reverse transcriptase thumb domain / Integrase Zinc binding domain / Zinc finger integrase-type profile. / Integrase-like, N-terminal / Integrase DNA binding domain / Integrase, C-terminal domain superfamily, retroviral / Integrase, N-terminal zinc-binding domain ...Reverse transcriptase connection / Reverse transcriptase connection domain / Reverse transcriptase thumb / Reverse transcriptase thumb domain / Integrase Zinc binding domain / Zinc finger integrase-type profile. / Integrase-like, N-terminal / Integrase DNA binding domain / Integrase, C-terminal domain superfamily, retroviral / Integrase, N-terminal zinc-binding domain / Integrase, C-terminal, retroviral / Integrase DNA binding domain profile. / Immunodeficiency lentiviral matrix, N-terminal / gag gene protein p17 (matrix protein) / RNase H / Integrase core domain / Integrase, catalytic core / Integrase catalytic domain profile. / Retropepsin-like catalytic domain / Matrix protein, lentiviral and alpha-retroviral, N-terminal / Retroviral nucleocapsid Gag protein p24, C-terminal domain / Gag protein p24 C-terminal domain / RNase H type-1 domain profile. / Ribonuclease H domain / Retropepsins / Retroviral aspartyl protease / Aspartyl protease, retroviral-type family profile. / Peptidase A2A, retrovirus, catalytic / Reverse transcriptase domain / Reverse transcriptase (RNA-dependent DNA polymerase) / Reverse transcriptase (RT) catalytic domain profile. / Retrovirus capsid, C-terminal / Retroviral matrix protein / Retrovirus capsid, N-terminal / zinc finger / Zinc knuckle / Zinc finger, CCHC-type superfamily / Zinc finger, CCHC-type / Zinc finger CCHC-type profile. / Aspartic peptidase, active site / Eukaryotic and viral aspartyl proteases active site. / Aspartic peptidase domain superfamily / Ribonuclease H superfamily / Ribonuclease H-like superfamily / Reverse transcriptase/Diguanylate cyclase domain / DNA/RNA polymerase superfamily
Similarity search - Domain/homology
Biological speciesHuman immunodeficiency virus 1
Methodsubtomogram averaging / cryo EM / Resolution: 7.3 Å
AuthorsChen L / Zhang P
Funding support United Kingdom, 1 items
OrganizationGrant numberCountry
Wellcome Trust206422/Z/17/Z United Kingdom
CitationJournal: To Be Published
Title: Structural maturation of the matrix lattice is not required for HIV-1 particle infectivity
Authors: Chen L / Zhang P
History
DepositionNov 11, 2024-
Header (metadata) releaseDec 11, 2024-
Map releaseDec 11, 2024-
UpdateDec 11, 2024-
Current statusDec 11, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_47842.png

Downloads & links

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Map

FileDownload / File: emd_47842.map.gz / Format: CCP4 / Size: 12.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.5 Å/pix.
x 150 pix.
= 225. Å		1.5 Å/pix.
x 150 pix.
= 225. Å		1.5 Å/pix.
x 150 pix.
= 225. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.5 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 20.0
Minimum - Maximum-39.678820000000002 - 85.201800000000006
Average (Standard dev.)-0.000000000186305 (±5.3622622)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions150150150
Spacing150150150
CellA=B=C: 225.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_47842_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_47842_half_map_2.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 : Human immunodeficiency virus 1

EntireName: Human immunodeficiency virus 1
Components
  • Virus: Human immunodeficiency virus 1
    • Protein or peptide: HIV-1 Matrix Protein

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Supramolecule #1: Human immunodeficiency virus 1

SupramoleculeName: Human immunodeficiency virus 1 / type: virus / ID: 1 / Parent: 0 / Macromolecule list: all / NCBI-ID: 11676 / Sci species name: Human immunodeficiency virus 1 / Sci species strain: pNL4-3 / Virus type: VIRUS-LIKE PARTICLE / Virus isolate: STRAIN / Virus enveloped: Yes / Virus empty: No

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Macromolecule #1: HIV-1 Matrix Protein

MacromoleculeName: HIV-1 Matrix Protein / type: protein_or_peptide / ID: 1 / Enantiomer: LEVO
Source (natural)Organism: Human immunodeficiency virus 1
SequenceString: MGARASVLSG GELDKWEKIR LRPGGKKQYK LKHIVWASRE LERFAVNPGL LETSEGCRQI LGQLQPSLQT GSEELRSLYN TIAVLYCVHQ RIDVKDTKEA LDKIEEEQNK SKKKAQQAAA DTGNNSQVSQ NYPIVQNLQG QMVHQAISPR TLNAWVKVVE EKAFSPEVIP ...String:
MGARASVLSG GELDKWEKIR LRPGGKKQYK LKHIVWASRE LERFAVNPGL LETSEGCRQI LGQLQPSLQT GSEELRSLYN TIAVLYCVHQ RIDVKDTKEA LDKIEEEQNK SKKKAQQAAA DTGNNSQVSQ NYPIVQNLQG QMVHQAISPR TLNAWVKVVE EKAFSPEVIP MFSALSEGAT PQDLNTMLNT VGGHQAAMQM LKETINEEAA EWDRLHPVHA GPIAPGQMRE PRGSDIAGTT STLQEQIGWM THNPPIPVGE IYKRWIILGL NKIVRMYSPT SILDIRQGPK EPFRDYVDRF YKTLRAEQAS QEVKNWMTET LLVQNANPDC KTILKALGPG ATLEEMMTAC QGVGGPGHKA RVLAEAMSQV TNPATIMIQK GNFRNQRKTV KCFNCGKEGH IAKNCRAPRK KGCWKCGKEG HQMKDCTERQ ANFLGKIWPS HKGRPGNFLQ SRPEPTAPPE ESFRFGEETT TPSQKQEPID KELYPLASLR SLFGSDPSSQ

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Experimental details

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Structure determination

Methodcryo EM
Processingsubtomogram averaging
Aggregation stateparticle

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Sample preparation

BufferpH: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 3.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 5.5 µm / Nominal defocus min: 1.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Final reconstructionApplied symmetry - Point group: C3 (3 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 7.3 Å / Resolution method: FSC 0.143 CUT-OFF / Number subtomograms used: 47770
ExtractionNumber tomograms: 88 / Number images used: 47770
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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