2WWB

ELECTRON MICROSCOPY

Sample

ACTIVELY TRANSLATING WHEAT GERM (O. SATIVA) 80S RIBOSOME PROGRAMMED WITH A NASCENT POLYPEPTIDE CHAIN CONTAINING A P- SITE TRNA AND THE TYPE I SIGNAL ANCHOR SEQUENCE OF DPAP-B ( DIPEPTIDYLAMINOPEPTIDASE B) BOUND TO THE MAMMALIAN (CANIS FAMILIARIS) SEC61 COMPLEX.

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name ETHANE
Sample Vitrification Details CRYOGEN- ETHANE, HUMIDITY- 95, INSTRUMENT- VITROBOT, METHOD- BLOT FOR 10 SECONDS BEFORE PLUNGING, USE 2 LAYERS OF FILTER PAPER
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 221445
Reported Resolution (Å) 6.48
Resolution Method ?
Other Details SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-1652.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details METHOD--MANUAL FOLLOWED BY MDFF
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 25
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) 1250
Maximum Defocus (nm) 4700
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) 0
Nominal CS 2.26
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 39000
Calibrated Magnification 38000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? DEFOCUS GROUP VOLUMES