8FUZ

Human IMPDH2 mutant - L245P, treated with GTP, ATP, IMP, and NAD+; filament assembly interface reconstruction


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d7.025
f_angle_d0.656
f_chiral_restr0.049
f_plane_restr0.005
f_bond_d0.004
Sample
Filament of Inosine-5'-monophosphate dehydrogenase 2 - L245P mutant, bound to GTP, ATP, IMP, and NAD+
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles89981
Reported Resolution (Å)2.1
Resolution MethodOTHER
Other DetailsFSCref 0.5 cut-off from PHENIX density modification
Refinement Type
Symmetry TypePOINT
Point SymmetryD4
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
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)1740
Maximum Defocus (nm)280
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.1
IMAGE ACQUISITIONLeginon
CTF CORRECTIONRELION3.1
MODEL FITTINGPHENIX1.20.1
MODEL FITTINGCoot0.8.9.2
MODEL REFINEMENTPHENIX1.20.1
MODEL REFINEMENTCoot0.8.9.2
MODEL REFINEMENTISOLDE1.1.0
INITIAL EULER ASSIGNMENTRELION3.1
FINAL EULER ASSIGNMENTRELION3.1
RECONSTRUCTIONRELION3.1
RECONSTRUCTIONPHENIX1.18.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1421990