9IU5 | pdb_00009iu5

Cryo-EM structure of the large serine recombinase Bxb1 in complex with attP and attB (CA/CA CDN) in the post-strand exchange state

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
s_dihedral_angle_6_deg	13.2902
s_dihedral_angle_3_deg	13.1236
s_dihedral_angle_1_deg	3.6251
s_angle_nonh_deg	1.6985
s_dihedral_angle_2_deg	1.6804
s_nbtor	0.2071
s_nbd	0.1854
s_hbond_nbd	0.1414
s_chiral_restr	0.0678
s_bond_nonh_d	0.0069
s_planes	0.0048

Sample
The large serine recombinase Bxb1 in complex with attP and attB (CA/CA CDN) in the post-strand exchange state
Sample Components
large serine recombinase
attP
attB

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	149931
Reported Resolution (Å)	3.63
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)	49.5

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	TFS KRIOS
Minimum Defocus (nm)	800
Maximum Defocus (nm)	2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	cryoSPARC
CTF CORRECTION	cryoSPARC
MODEL FITTING	Coot
MODEL REFINEMENT	Servalcat
INITIAL EULER ASSIGNMENT	cryoSPARC
FINAL EULER ASSIGNMENT	cryoSPARC
CLASSIFICATION	cryoSPARC
RECONSTRUCTION	cryoSPARC

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION