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Title:30S Ribosome Subunit Assembly Intermediates, Intermediate Group 4b
Authors:Mulder AM, Yoshioka C, Beck A, Bunner A, Milligan RA, Potter CS, Carragher B, Williamson JR
Sample:30S Ribosome Reconstitution Reaction
Method:Single particle reconstruction (40.87 angstroms resolution)
Sample
Sample name: 30S Ribosome Reconstitution Reaction
Components:
ID Type Name Exp. MW (MDa) Oligomeric details Recombinant expression Synthetic Organism UniProt identifier GO identifier InterPro identifier Virus identifier Details
1ribosome-prokaryote30S Ribosome SubunitfalseEscherichia coli
Experiment
Specimen state: Particle
Specimen preparation:
pHSpecimen conc.DetailsStainingSpecimen support details
7.5 mg/mL25 mM Tris-HCl, 330 mM KCl, 20 mM MgCl2, 2 mM DTTAliquot from time point was adsorbed to grid and grid was immediately stained by adding a droplet of 2% UA200 mesh copper grid with thin carbon support, glow discharged
Vitrification:
Cryogen nameHumidityTemp.Instr.MethodTime resolvedDetails
NONE% KNONE ms
Imaging:
MicroscopeVoltageIllumination modeImaging modeCsDefocus min.Defocus max.Nominal mag.Calibrated mag.Electron sourceDetectorDetector distanceAstigmatism
FEI TECNAI F20120 kVSPOT SCANBRIGHT FIELD mm nm nmFIELD EMISSION GUN mm

Specimen holderHolder modelTilt min.Tilt max.Energy filterEnergy windowTemp.Temp. min.Temp. max.Beam tiltElectron doseOther detailsDate
single tiltOTHER°° eV K K K mrad e/Å207-JAN-2009
Processing
Protocol:Random conical tilt
Software:Appion, Spider, Eman
CTF correction:Ace2
Number of particles:1783
Imposed symmetry:C1
Resolution by author:40.87 Å
Resolution method:FSC at 0.5
Fitting:
PDBProtocolTarget crit.SoftwareB valueFitting spacePDB chainDetails