7Z16

E. coli C-P lyase bound to PhnK/PhnL dual ABC dimer with AMPPNP and PhnK E171Q mutation


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.4647
f_angle_d0.4808
f_chiral_restr0.0457
f_plane_restr0.0035
f_bond_d0.0017
Sample
E. coli C-P lyase bound to PhnK/PhnL dual ABC dimer with AMPPNP and PhnK E171Q mutation
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification DetailsBlotting for 6-9 seconds before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles59737
Reported Resolution (Å)2.09
Resolution MethodFSC 0.143 CUT-OFF
Other Detailsreconstruction using cryoSPARC homogeneous refinement
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (4XB6)
Refinement SpaceRECIPROCAL
Refinement Protocol
Refinement Target
Overall B Value28.8
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)62
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)1400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification135000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC3.2
INITIAL EULER ASSIGNMENTcryoSPARC3.2
FINAL EULER ASSIGNMENTcryoSPARC3.2
CLASSIFICATIONcryoSPARC3.2
RECONSTRUCTIONcryoSPARC3.2
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1023261Deep picker from cryoSPARC used