9SKU | pdb_00009sku

Cryo-EM structure of H. neapolitanus CsoSCA in reducing conditions, hexamer


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFoldAF-O85042-F1 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
s_dihedral_angle_6_deg13.5489
s_dihedral_angle_3_deg12.2739
s_dihedral_angle_1_deg6.9568
s_dihedral_angle_2_deg3.4206
s_angle_nonh_deg1.8675
s_hbond_nbd0.2344
s_nbtor0.2326
s_nbd0.2222
s_symmetry_nbd0.1348
s_metal_ion0.1215
RMS Deviations
KeyRefinement Restraint Deviation
s_dihedral_angle_6_deg13.5489
s_dihedral_angle_3_deg12.2739
s_dihedral_angle_1_deg6.9568
s_dihedral_angle_2_deg3.4206
s_angle_nonh_deg1.8675
s_hbond_nbd0.2344
s_nbtor0.2326
s_nbd0.2222
s_symmetry_nbd0.1348
s_metal_ion0.1215
s_chiral_restr0.0801
s_symmetry_hbond_nbd0.0627
s_bond_nonh_d0.0097
s_planes0.0085
Sample
HnCsoSCA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details4C, 100% relative humidity, delay time 0s, blot time 3s, blot force 0
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles545287
Reported Resolution (Å)2.06
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryD3
Map-Model Fitting and Refinement
Id1
Refinement SpaceRECIPROCAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)64.757
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONTopaz0.2.5
IMAGE ACQUISITIONEPU3.6.0
CTF CORRECTIONcryoSPARC4.7
MODEL FITTINGUCSF ChimeraX1.9
MODEL FITTINGISOLDE1.9
INITIAL EULER ASSIGNMENTcryoSPARC4.7
FINAL EULER ASSIGNMENTcryoSPARC4.7
CLASSIFICATIONcryoSPARC4.7
RECONSTRUCTIONcryoSPARC4.7
MODEL REFINEMENTServalcat0.4.99
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION818243Particles were picked with topaz, trained with a set of about 1000 particles picked manually from micrographs denoised by CryoSPARC. Topaz was trained and applied on raw micrographs.