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Structural Basis of Signal Sequence Surveillance and Selection by the SRP-SR Complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1FFH experimental model PDB 1FTS experimental model PDB 3KL4 experimental model PDB 2XXA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name NITROGEN Sample Vitrification Details THE GRIDS WERE PLUNGE FROZEN IN LIQUID ETHANE USING A FEI MARK IV VITRIFICATION ROBOT AFTER BLOTTING FOR 1 S AT RT AND 100 PER CENT RELATIVE HUMIDITY
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 46945 Reported Resolution (Å) 12 Resolution Method Other Details BP RP SUBPROGRAM IN SPIDER Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (1FFH, 1FTS, 3KL4, 2XXA) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target FSC Overall B Value Fitting Procedure Details METHOD--RIGID BODY REFINEMENT PROTOCOL--X-RAY
Data Acquisition Detector Type GATAN ULTRASCAN 4000 (4k x 4k) Electron Dose (electrons/Å**2) 15
Imaging Experiment 1 Date of Experiment 2011-01-11 Temperature (Kelvin) 77 Microscope Model FEI POLARA 300 Minimum Defocus (nm) 700 Maximum Defocus (nm) 5700 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.3 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 59000 Calibrated Magnification 76000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version RECONSTRUCTION SPIDER
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details MICROGRAPH