8WDU

Photosynthetic LH1-RC complex from the purple sulfur bacterium Allochromatium vinosum purified by sucrose density


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.126
f_angle_d2.818
f_chiral_restr0.091
f_bond_d0.006
f_plane_restr0.005
Sample
Photosynthetic LH1-RC complex from the purple sulfur phototrophic bacterium Allochromatium vinosum
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles252230
Reported Resolution (Å)2.24
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7VRJ)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCorrelation coefficient
Overall B Value44
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelJEOL CRYO ARM 300
Minimum Defocus (nm)700
Maximum Defocus (nm)3200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelJEOL
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND
MODEL FITTINGUCSF Chimera
INITIAL EULER ASSIGNMENTRELION3.1
FINAL EULER ASSIGNMENTRELION3.1
CLASSIFICATIONRELION3.1
RECONSTRUCTIONRELION3.1
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY361654