2J9I

Lengsin is a survivor of an ancient family of class I glutamine synthetases in eukaryotes that has undergone evolutionary re- engineering for a tissue-specific role in the vertebrate eye lens.


ELECTRON MICROSCOPY
Sample
LENGSIN
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles
Reported Resolution (Å)17
Resolution Method
Other DetailsTHE HOMOLOGY MODEL WAS MINIMIZED IN AMBER 8 PRIOR TO MANUAL FITTING
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (1F52)
Refinement Space
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
DetailsMETHOD--URO
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TECNAI F20
Minimum Defocus (nm)170
Maximum Defocus (nm)320
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification50000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGURO
RECONSTRUCTIONIMAGIC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING