8Z4V | pdb_00008z4v

LH2 complex from Ectothiorhodospira haloalkaliphila at near-atomic resolution


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg26.483
r_dihedral_angle_3_deg11.572
r_lrange_it6.654
r_lrange_other6.654
r_dihedral_angle_1_deg5.412
r_dihedral_angle_4_deg5.163
r_angle_refined_deg4.122
r_scangle_it4.024
r_scangle_other4.024
r_mcangle_it3.436
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg26.483
r_dihedral_angle_3_deg11.572
r_lrange_it6.654
r_lrange_other6.654
r_dihedral_angle_1_deg5.412
r_dihedral_angle_4_deg5.163
r_angle_refined_deg4.122
r_scangle_it4.024
r_scangle_other4.024
r_mcangle_it3.436
r_mcangle_other3.435
r_scbond_it2.633
r_scbond_other2.633
r_mcbond_other2.258
r_mcbond_it2.257
r_angle_other_deg1.415
r_nbd_refined0.216
r_nbtor_refined0.183
r_symmetry_nbd_other0.155
r_xyhbond_nbd_refined0.109
r_chiral_restr0.09
r_symmetry_nbtor_other0.074
r_ncsr_local_group_110.033
r_ncsr_local_group_330.033
r_ncsr_local_group_230.032
r_ncsr_local_group_500.032
r_ncsr_local_group_100.031
r_ncsr_local_group_120.031
r_ncsr_local_group_130.031
r_ncsr_local_group_220.031
r_ncsr_local_group_240.031
r_ncsr_local_group_250.031
r_ncsr_local_group_320.031
r_ncsr_local_group_340.031
r_ncsr_local_group_350.031
r_ncsr_local_group_440.031
r_ncsr_local_group_540.031
r_ncsr_local_group_560.031
r_bond_other_d0.025
r_bond_refined_d0.013
r_gen_planes_refined0.012
r_gen_planes_other0.006
r_ncsr_local_group_410.002
r_ncsr_local_group_480.002
r_ncsr_local_group_490.002
r_ncsr_local_group_430.001
r_ncsr_local_group_530.001
r_ncsr_local_group_1
r_ncsr_local_group_2
r_ncsr_local_group_3
r_ncsr_local_group_4
r_ncsr_local_group_5
r_ncsr_local_group_6
r_ncsr_local_group_7
r_ncsr_local_group_8
r_ncsr_local_group_9
r_ncsr_local_group_14
r_ncsr_local_group_15
r_ncsr_local_group_16
r_ncsr_local_group_17
r_ncsr_local_group_18
r_ncsr_local_group_19
r_ncsr_local_group_20
r_ncsr_local_group_21
r_ncsr_local_group_26
r_ncsr_local_group_27
r_ncsr_local_group_28
r_ncsr_local_group_29
r_ncsr_local_group_30
r_ncsr_local_group_31
r_ncsr_local_group_36
r_ncsr_local_group_37
r_ncsr_local_group_38
r_ncsr_local_group_39
r_ncsr_local_group_40
r_ncsr_local_group_42
r_ncsr_local_group_45
r_ncsr_local_group_46
r_ncsr_local_group_47
r_ncsr_local_group_51
r_ncsr_local_group_52
r_ncsr_local_group_55
Sample
LH2 complex from Ectothiorhodospira haloalkaliphila
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles324434
Reported Resolution (Å)1.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC8
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)52.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)1500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS0.01
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsPreliminary grid screening was performed manually.
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONWarp1.0.9
IMAGE ACQUISITIONSerialEM4.0.4
CTF CORRECTIONWarp1.0.9
MODEL FITTINGCoot0.9.8.92
INITIAL EULER ASSIGNMENTcryoSPARC4.4.1
FINAL EULER ASSIGNMENTcryoSPARC4.4.1
RECONSTRUCTIONcryoSPARC4.4.1
MODEL REFINEMENTServalcat1.6.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE1589688