5IT9 | pdb_00005it9

Structure of the yeast Kluyveromyces lactis small ribosomal subunit in complex with the cricket paralysis virus IRES.

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.159
r_dihedral_angle_3_deg	19.34
r_dihedral_angle_1_deg	14.769
r_dihedral_angle_4_deg	13.54
r_mcangle_it	5.272
r_mcbond_other	2.758
r_mcbond_it	2.757
r_angle_other_deg	1.234
r_angle_refined_deg	1.173
r_chiral_restr	0.393
r_gen_planes_refined	0.007
r_bond_refined_d	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.003

Sample
Kluyveromyces lactis small ribosomal subunit in complex with the Cricket paralysis virus IRES

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK II
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	54481
Reported Resolution (Å)	3.8
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT

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

Data Acquisition
Detector Type	FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)	25

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

EM Software
Task	Software Package	Version
PARTICLE SELECTION	EPU
IMAGE ACQUISITION	EPU	1.8
CTF CORRECTION	CTFFIND
INITIAL EULER ASSIGNMENT	RELION	1.4
MODEL REFINEMENT	REFMAC	5.8

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING ONLY