9QH0 | pdb_00009qh0

Escherichia coli polynucleotide phosphorylase in complex with recognition site of RNase E


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.719
f_angle_d0.7
f_chiral_restr0.048
f_plane_restr0.022
f_bond_d0.005
Sample
Polynucleotide phosphorylase in complex with recognition site from ribonuclease E
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblotting force -4, 3 sec blot time
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles108374
Reported Resolution (Å)2.52
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Detailsphenix refine and manual rebuilding using COOT
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)51.05
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONWarp
CTF CORRECTIONcryoSPARC
MODEL FITTINGRELION
MODEL REFINEMENTPHENIX1.20.1_4487
FINAL EULER ASSIGNMENTcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE