6RZP

Multicrystal structure of Proteinase K at room temperature using a multilayer monochromator.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	1.2M Ammonium Sulfate, 0.1M Na Cacodylate pH 6.2, 25 % Glycerol
4	VAPOR DIFFUSION, SITTING DROP	7.5	293	1.2M Ammonium Sulfate, 0.1M Na Cacodylate pH 6.2, 25 % Glycerol
3	VAPOR DIFFUSION, SITTING DROP	7.5	293	1.2M Ammonium Sulfate, 0.1M Na Cacodylate pH 6.2, 25 % Glycerol
2	VAPOR DIFFUSION, SITTING DROP	7.5	293	1.2M Ammonium Sulfate, 0.1M Na Cacodylate pH 6.2, 25 % Glycerol

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.368	α = 90
b = 68.368	β = 90
c = 103.978	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	PIXEL	DECTRIS EIGER2 X 4M	multilayer monochromator	2019-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE VMXi	0.979	Diamond	VMXi

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	2.2	57.13	100	0.064	0.066	0.017	0.999	30.5	14.7		13162			9.989

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.24	100		0.132	0.143	0.052	0.986	12.2	7.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2ID8	2.2	57.126	1.36	13109	1312	99.98	0.111	0.1055	0.1611

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	2.821
f_angle_d	0.895
f_chiral_restr	0.052
f_bond_d	0.009
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2022
Nucleic Acid Atoms
Solvent Atoms	171
Heterogen Atoms	19

Software

Software
Software Name	Purpose
PHENIX	refinement
DIALS	data reduction
DIALS	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.