ELECTRON MICROSCOPY

Sample

SRP BOUND TO RIBOSOME

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details PLUNGED INTO ETHANE
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 24382
Reported Resolution (Å) 16
Resolution Method ?
Other Details THE COORDINATES BELOW ARE MADE UP FROM THE FOLLOWING COMPONENTS: FFH NG DOMAIN (RESIDUE 1-296), ORGANISM SCIENTIFIC: THERMUS AQUATICUS (PDB ENTRY 1JPN CHAIN A). FFH M DOMAIN (RESIDUE 297-432), ORANISM SCIENTIFIC: SULFOLOBUS SOLFATARICUS (PDB ENTRY 1QZW CHAIN A). 4.5S RNA (RESIDUE 33- 73), ORGANISM SCIENTIFIC: SULFOLOBUS SOLFATARICUS (PDB ENTRY 1QZW, CHAIN B). 4.5S RNA (RESIDUE 1-32 AND 74-110), ORGANISM SCIENTIFIC: ESCHERICHIA COLI (PDB: SRPDB, ROSENBLAD ET AL, NUCLEIC ACID RES 21, 363-364,12:2003.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol OTHER
Refinement Target Cross-correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details METHOD--LOCAL CORRELATION REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 10
Imaging Experiment
Date of Experiment 2005-06-02
Temprature (Kelvin)
Microscope Model FEI TECNAI 20
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 4500
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 0
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 50000
Calibrated Magnification 51000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING NOMAD ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? PHASE FLIPPING