9YQ8 | pdb_00009yq8

Cryo-EM complex of meizothrombinDESF1, factor Xa, and factor Va


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3E6P 
experimental modelPDB 1XKB 
experimental modelPDB 8TN9 
Sample
Complex of meizothrombinDESF1, factor Xa and factor Va
Sample Components
Coagulation factor X domains and Thrombin chains
Coagulation factor V light and heavy chains
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles38200
Reported Resolution (Å)3.84
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (3e6p)2 (1xkb)3 (8tn9)
Refinement SpaceREALREALREAL
Refinement ProtocolRIGID BODY FITRIGID BODY FITRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)51
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS0.01
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsPreliminary grid screening was performed manually.
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC
MODEL FITTINGUCSF ChimeraX
MODEL REFINEMENTPHENIX
MODEL REFINEMENTCoot
MODEL FITTINGUCSF ChimeraX
MODEL REFINEMENTPHENIX
MODEL REFINEMENTCoot
MODEL FITTINGUCSF ChimeraX
MODEL REFINEMENTPHENIX
MODEL REFINEMENTCoot
RECONSTRUCTIONcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION