7XMU

E.coli phosphoribosylpyrophosphate (PRPP) synthetase type A filament bound with ADP, Pi and R5P


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d22.098
f_angle_d0.729
f_chiral_restr0.049
f_bond_d0.005
f_plane_restr0.004
Sample
E.coli PRPP syhthetase filament structure complex with ADP,Pi, Mg2+ and R5P
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot for 3.5 seconds with blot force of -1 before plunge-freezing
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles70541
Reported Resolution (Å)2.3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryD3
Map-Model Fitting and Refinement
Id1 (4S2U)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)60
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 CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification22500
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.1-beta
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND
MODEL FITTINGUCSF Chimera1.14
RECONSTRUCTIONRELION3.1-beta
MODEL REFINEMENTCoot
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION