9F9T | pdb_00009f9t

CryoEM structure of native Trypanosoma cruzi apo proteasome 20S subunit

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	18.183
r_long_range_B_other	11.552
r_long_range_B_refined	11.547
r_scangle_other	9.284
r_dihedral_angle_2_deg	8.229
r_dihedral_angle_1_deg	7.929
r_mcangle_other	5.986
r_mcangle_it	5.985
r_scbond_it	5.634
r_scbond_other	5.634
r_mcbond_it	3.759
r_mcbond_other	3.758
r_angle_refined_deg	2.072
r_angle_other_deg	0.66
r_chiral_restr	0.095
r_bond_refined_d	0.013
r_gen_planes_refined	0.011
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Sample
Proteasome 20S

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	50663
Reported Resolution (Å)	2.31
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT

Map-Model Fitting and Refinement
Id	1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)	1.43

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	1000
Maximum Defocus (nm)	2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	OTHER
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
MODEL REFINEMENT	REFMAC	5.8.0405

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION