ELECTRON MICROSCOPY

Sample

ESCHERICHIA COLI DEGQ 12- MER IN COMPLEX WITH A BINDING PEPTIDE

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE, INSTRUMENT- MANUAL PLUNGER, METHOD- BLOT FOR 2 SECONDS BEFORE PLUNGING,
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 29432
Reported Resolution (Å) 7.5
Resolution Method ?
Other Details DEGQ 12-MER WERE OBTAINED IN PRESENCE OF A PEPTIDE. THE PEPTIDE SEQUENCE IS SPMFKGVLDMMYGGMRGYQV THE NUMBER OF PEPTIDES BOUND TO DEGQ 12-MER IS UNKNOWN. THE PEPTIDES ARE NOT MODELLED DUE TO THE RESOLUTION OF THE MAP. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-1983. (DEPOSITION ID: 10374).
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target Cross-correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details METHOD--RIGID BODY AND FLEXIBLE FITTING REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 15
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) -0.1
Maximum Tilt Angle (degrees) 0
Nominal CS 2
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 50000
Calibrated Magnification 50000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details LOW DOSE MODE
Imaging Experiment
Task Software Package Version
MODEL FITTING Flex-EM ?
MODEL FITTING MODELLER ?
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION IMAGIC 5
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? PHASE FLIPPING, FULL CTF CORRECTION