8S0A | pdb_00008s0a

H. sapiens MCM2-7 hexamer bound to double stranded DNA


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOther 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.7835
f_angle_d0.4538
f_chiral_restr0.0396
f_plane_restr0.0032
f_bond_d0.0022
Sample
H. sapiens MCM2-7 hexamer bound to double stranded DNA
Sample Components
Double stranded DNA
H. sapiens MCM2-7
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles25069
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)49.19
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONTopaz0.2.4
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1.10
CTF CORRECTIONRELION4.0b-GPU
CTF CORRECTIONcryoSPARC3.3.2
MODEL FITTINGUCSF ChimeraX1.6.1
MODEL REFINEMENTPHENIX1.21_5207
MODEL REFINEMENTISOLDE
INITIAL EULER ASSIGNMENTcryoSPARC3.3.2
FINAL EULER ASSIGNMENTcryoSPARC3.3.2
RECONSTRUCTIONcryoSPARC3.3.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION