9PC6 | pdb_00009pc6

Antibody (1B2) Bound Crosslinked Rifamycin Synthetase Module 1 with a C-terminal Type II Thioesterase


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.197
f_angle_d0.566
f_chiral_restr0.042
f_plane_restr0.004
f_bond_d0.002
Sample
Two antibody fragments (Fabs) in complex with homodimeric, crosslinked polyketide synthase module 1 of the rifamycin synthetase fused with a C-terminal type II thioesterase
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles91575
Reported Resolution (Å)3.96
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS GLACIOS
Minimum Defocus (nm)100
Maximum Defocus (nm)3677
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.7.0
CTF CORRECTIONcryoSPARC4.7.0
MODEL FITTINGUCSF ChimeraX
INITIAL EULER ASSIGNMENTcryoSPARC4.7.0
FINAL EULER ASSIGNMENTcryoSPARC4.7.0
CLASSIFICATIONRELION5.0
RECONSTRUCTIONcryoSPARC4.7.0
MODEL REFINEMENTPHENIX1.20.1_4487
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1229709