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- PDB-9d9x: Mycobacteriophage Bxb1 Capsid - Composite map and model -

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Basic information

Entry
Database: PDB / ID: 9d9x
TitleMycobacteriophage Bxb1 Capsid - Composite map and model
ComponentsMajor capsid protein
KeywordsVIRAL PROTEIN / Bacteriophage / capsid / VIRUS
Function / homologyPhage capsid / Phage capsid family / Major capsid protein
Function and homology information
Biological speciesMycobacterium phage Bxb1 (virus)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3 Å
AuthorsFreeman, K.G.
Funding support United States, Taiwan, 8items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)K99AI173544 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM116884 United States
Howard Hughes Medical Institute (HHMI)GT12053 United States
National Institutes of Health/Office of the DirectorS10 OD025009 United States
National Institutes of Health/Office of the DirectorS10 OD019995 United States
National Institutes of Health/Office of the DirectorS10OD032467 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)U24GM129547 United States
Academia Sinica (Taiwan)AS-IDR-110-06 Taiwan
CitationJournal: To Be Published
Title: Structure and infection dynamics of mycobacteriophage Bxb1
Authors: Freeman, K.G. / Mondal, S. / Macale, L.S. / Podgorski, J. / White, S.J. / Silva, B. / Ortiz, V. / Huet, A. / Narsico, J.T. / Ho, M.C. / Jacobs-Sera, D. / Lowary, T.L. / Conway, J.F. / Park, D. / Hatfull, G.F.
History
DepositionAug 21, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 25, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
Ha: Major capsid protein
Hb: Major capsid protein
Hc: Major capsid protein
Hd: Major capsid protein
He: Major capsid protein
Hf: Major capsid protein
Pa: Major capsid protein
Pb: Major capsid protein
Pc: Major capsid protein
Pd: Major capsid protein
Pe: Major capsid protein


Theoretical massNumber of molelcules
Total (without water)460,63011
Polymers460,63011
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein
Major capsid protein


Mass: 41875.461 Da / Num. of mol.: 11 / Source method: isolated from a natural source / Source: (natural) Mycobacterium phage Bxb1 (virus) / References: UniProt: Q9B0A7

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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: Mycobacterium phage Bxb1 / Type: VIRUS
Details: Portal and connector complex of Bxb1, containing five protein subunit types. This is a composite map, and related entries for consensus and locally refined maps are noted.
Entity ID: all / Source: NATURAL
Molecular weight
IDEntity assembly-IDExperimental value
11NO
21YES
Source (natural)Organism: Mycobacterium phage Bxb1 (virus) / Strain: Mycobacterium phage Bxb1
Details of virusEmpty: NO / Enveloped: NO / Isolate: SPECIES / Type: VIRION
Natural hostOrganism: Mycolicibacterium smegmatis MC2 155
Buffer solutionpH: 7.5
Buffer component
IDConc.NameFormulaBuffer-ID
110 mMTrisC4H11NO31
21 mMMagnesium sulfateMgSO41
368.44 mMSodium chlorideNaCl1
41 mMCalcium chlorideCaCl21
SpecimenConc.: 10 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE-PROPANE / Humidity: 100 % / Chamber temperature: 283 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: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 50 e/Å2 / Detector mode: COUNTING / Film or detector model: FEI FALCON III (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3 Å / Resolution method: OTHER / Num. of particles: 23927 / Symmetry type: POINT

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