Experiment: 9DHO

ELECTRON CRYSTALLOGRAPHY

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5KXV

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION	6.5	277	dissolving 40 mg/ml proteinase K in 20 mM MES-NaOH pH 6.5. The protein solution was mixed at a 1:1 ratio with a precipitant solution of 0.5 M NaNO3, 0.1 M CaCl2, 0.1 M MES-NaOH pH 6.5.

Crystal Properties
Matthews coefficient	Solvent content
2.1	41

Symmetry
Space Group	P 43 21 2

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	electron	77	ELECTRON DETECTOR	TFS FALCON 4i			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ELECTRON MICROSCOPE	TFS KRIOS	0.0197

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.09	56.82	97.5	0.284	0.995	7.8	28.5		98530			8.76

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
ELECTRON CRYSTALLOGRAPHY		FREE R-VALUE	1.09	56.82	98240	4971	97.237	0.151	0.1498	0.1868	0.1831	0.2126	11.288

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.618			0.618		-1.236

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	17.18
r_lrange_it	16.209
r_lrange_other	15.162
r_dihedral_angle_3_deg	11.08
r_dihedral_angle_2_deg	8.674
r_scangle_it	6.361
r_scangle_other	6.36
r_dihedral_angle_1_deg	6.358
r_rigid_bond_restr	5.633
r_scbond_other	4.785

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	17.18
r_lrange_it	16.209
r_lrange_other	15.162
r_dihedral_angle_3_deg	11.08
r_dihedral_angle_2_deg	8.674
r_scangle_it	6.361
r_scangle_other	6.36
r_dihedral_angle_1_deg	6.358
r_rigid_bond_restr	5.633
r_scbond_other	4.785
r_scbond_it	4.647
r_mcangle_other	3.881
r_mcangle_it	3.855
r_mcbond_other	2.817
r_mcbond_it	2.807
r_angle_refined_deg	1.798
r_angle_other_deg	0.681
r_symmetry_nbd_refined	0.258
r_nbd_refined	0.234
r_nbd_other	0.209
r_symmetry_nbd_other	0.197
r_nbtor_refined	0.193
r_xyhbond_nbd_refined	0.167
r_symmetry_xyhbond_nbd_refined	0.137
r_chiral_restr	0.092
r_symmetry_nbtor_other	0.088
r_metal_ion_refined	0.067
r_bond_refined_d	0.012
r_gen_planes_refined	0.009
r_gen_planes_other	0.002
r_bond_other_d

Sample
Proteinase K

Specimen Preparation
Sample Aggregation State	3D ARRAY
Vitrification Instrument	LEICA PLUNGER
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	CRYSTALLOGRAPHY
Number of Particles
Reported Resolution (Å)	1.09
Resolution Method	DIFFRACTION PATTERN/LAYERLINES
Other Details
Refinement Type
Symmetry Type	3D CRYSTAL
Space Group Name
Length a	66.92
Length b	66.92
Length c	66.92
Angle Alpha	90
Angle Beta	90
Angle Gamma	90

Map-Model Fitting and Refinement
Id	1 (5kxv)
Refinement Space	RECIPROCAL
Refinement Protocol	OTHER
Refinement Target	Maximum likelihood
Overall B Value	11.29
Fitting Procedure
Details

Data Acquisition
Detector Type	FEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)	0.002

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