8E54

MicroED structure of triclinic lysozyme recorded on K3


ELECTRON CRYSTALLOGRAPHY

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 26.38α = 87.851
b = 30.76β = 108.849
c = 33γ = 112.6
Symmetry
Space GroupP 1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeMean Isotropic B
ELECTRON CRYSTALLOGRAPHYTHROUGHOUT1.231.07624512118686.8390.1840.18130.24212.937
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
0.5990.678-0.5691.3490.58-2.225
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.985
r_dihedral_angle_4_deg16.562
r_dihedral_angle_3_deg13.025
r_dihedral_angle_1_deg7.312
r_rigid_bond_restr4.782
r_lrange_it2.914
r_lrange_other2.63
r_scangle_it2.528
r_scangle_other2.449
r_scbond_it2.203
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.985
r_dihedral_angle_4_deg16.562
r_dihedral_angle_3_deg13.025
r_dihedral_angle_1_deg7.312
r_rigid_bond_restr4.782
r_lrange_it2.914
r_lrange_other2.63
r_scangle_it2.528
r_scangle_other2.449
r_scbond_it2.203
r_scbond_other2.145
r_angle_refined_deg2.142
r_mcangle_other2.109
r_mcangle_it2.086
r_angle_other_deg1.929
r_mcbond_it1.809
r_mcbond_other1.729
r_xyhbond_nbd_refined0.285
r_symmetry_nbd_refined0.247
r_nbd_refined0.242
r_symmetry_nbd_other0.222
r_nbd_other0.221
r_nbtor_refined0.212
r_symmetry_xyhbond_nbd_refined0.15
r_symmetry_nbtor_other0.094
r_chiral_restr0.092
r_bond_refined_d0.021
r_gen_planes_refined0.012
r_gen_planes_other0.002
r_bond_other_d

Software

Software
Software NamePurpose
REFMACrefinement
Sample
Lysozyme
Specimen Preparation
Sample Aggregation State3D ARRAY
Vitrification InstrumentLEICA PLUNGER
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodCRYSTALLOGRAPHY
Number of Particles
Reported Resolution (Å)
Resolution MethodDIFFRACTION PATTERN/LAYERLINES
Other Details
Refinement Type
Symmetry Type3D CRYSTAL
Space Group Name
Length a26.38
Length b30.76
Length c30.76
Angle Alpha112.6
Angle Beta108.85
Angle Gamma112.6
Map-Model Fitting and Refinement
Id1
Refinement SpaceRECIPROCAL
Refinement ProtocolAB INITIO MODEL
Refinement TargetMaximum likelihood
Overall B Value12.94
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)0.001
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeDIFFRACTION
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CRYSTALLOGRAPHY MERGINGAIMLESS
RECONSTRUCTIONREFMAC5.8.0267
MODEL REFINEMENTREFMAC5.8.0267
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE