7WLG

Cryo-EM structure of GH31 alpha-1,3-glucosidase from Lactococcus lactis subsp. cremoris


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.107
f_angle_d0.46
f_chiral_restr0.042
f_plane_restr0.005
f_bond_d0.002
Sample
LlGH31_u1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlotting time was 5 seconds (blot force 15)
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles44606
Reported Resolution (Å)2.73
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryD3
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS TALOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification120000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcrYOLO1.7.6
IMAGE ACQUISITIONEPU
CTF CORRECTIONGctf1.18
INITIAL EULER ASSIGNMENTRELION3.1.2
FINAL EULER ASSIGNMENTRELION3.1.2
CLASSIFICATIONRELION3.1.2
RECONSTRUCTIONRELION3.1.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION267294