7UBB

Structure of RecT protein from Listeria innoccua phage A118 in complex with 83-mer ssDNA


ELECTRON MICROSCOPY
Sample
RecT protein from Listeria innocua phage A118, complexed with and 83-mer ssDNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details1.5 second blot time. Ted Pella 595 filter paper.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles180965
Reported Resolution (Å)4.5
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsThe final resolution with a tight mask was 4.5 Angstrom
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
DetailsPhenix Real Space Refinement was by rigid body refinement of the eight different subunits. Due to the limited resolution, the refinement was limited t ...Phenix Real Space Refinement was by rigid body refinement of the eight different subunits. Due to the limited resolution, the refinement was limited to rigid body only.
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)65
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)3500
Maximum Defocus (nm)1000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC2.15.0
MODEL FITTINGCoot0.8.7
RECONSTRUCTIONcryoSPARC2.15.0
MODEL REFINEMENTPHENIX1.20.1-4487
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONPatch CTD estimation was implemented in cryoSPARC with am amplitude contrast of 0.11000