7ZCX | pdb_00007zcx

S-layer protein SlaA from Sulfolobus acidocaldarius at pH 4.0

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.981
r_dihedral_angle_4_deg	36.69
r_lrange_it	35.975
r_scangle_it	23.725
r_scbond_it	13.941
r_mcangle_it	12.034
r_dihedral_angle_3_deg	11.818
r_dihedral_angle_1_deg	7.714
r_mcbond_it	7.324
r_angle_refined_deg	1.782
r_nbtor_refined	0.311
r_nbd_refined	0.186
r_chiral_restr	0.102
r_xyhbond_nbd_refined	0.077
r_bond_refined_d	0.007
r_gen_planes_refined	0.007

Sample
Monomeric S-layer protein SlaA with N-glycosylation

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details	Grid type: lacey with graphene oxide Blotting paper: Whatman 597

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	66040
Reported Resolution (Å)	3.1
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT

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

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	59.12

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TALOS ARCTICA
Minimum Defocus (nm)	1200
Maximum Defocus (nm)	2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	130000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details

EM Software
Task	Software Package	Version
IMAGE ACQUISITION	EPU
MODEL FITTING	Coot
MODEL FITTING	UCSF Chimera
MODEL FITTING	UCSF ChimeraX
MODEL FITTING	ISOLDE
MODEL REFINEMENT	REFMAC

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