8AN2 | pdb_00008an2

S-layer protein SlaA from Sulfolobus acidocaldarius at pH 10.0

ELECTRON MICROSCOPY

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7ZCX

Refinement

RMS Deviations
Key	Refinement Restraint Deviation
r_lrange_it	44.532
r_dihedral_angle_2_deg	36.704
r_dihedral_angle_4_deg	33.646
r_scangle_it	28.456
r_mcangle_it	18.041
r_scbond_it	16.462
r_dihedral_angle_3_deg	11.989
r_mcbond_it	10.711
r_dihedral_angle_1_deg	8.439
r_angle_refined_deg	1.903
r_nbtor_refined	0.306
r_nbd_refined	0.193
r_chiral_restr	0.108
r_xyhbond_nbd_refined	0.075
r_bond_refined_d	0.008
r_gen_planes_refined	0.008

Sample
Monomeric S-layer protein SlaA with N-glycosylation

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

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	29819
Reported Resolution (Å)	3.2
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT

Map-Model Fitting and Refinement
Id	1 (7ZCX)
Refinement Space	RECIPROCAL
Refinement Protocol	FLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	61

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TALOS ARCTICA
Minimum Defocus (nm)	800
Maximum Defocus (nm)	2400
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)	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		280004