5YJC

Structural insights into the CRISPR-Cas-associated ribonuclease activity of Staphylococcus epidermidis Csm6

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		295	0.1M Sodium malonate pH5.0, 12% PEG3350

Crystal Properties
Matthews coefficient	Solvent content
2.41	49.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.141	α = 90
b = 85.399	β = 90
c = 124.898	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS3 S 6M		2016-10-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL19U1	0.9785	SSRF	BL19U1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	40.4	99	31.89	2		44031

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	FREE R-VALUE	2.007	40.404	1.34	44022	2165	98.97	0.1805	0.1785	0.18	0.2184	0.22

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	9.584
f_angle_d	1.102
f_chiral_restr	0.065
f_bond_d	0.009
f_plane_restr	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4120
Nucleic Acid Atoms
Solvent Atoms	418
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
xia2	data reduction
SCALA	data scaling
BUCCANEER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.