5YJD

Structural insights into the CRISPR-Cas-associated ribonuclease activity of Staphylococcus epidermidis Csm3

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		295	0.16M Calcium acetate, 14% (w/v) PEG8000, 20% (w/v) glycerol, 0.08M Sodium cacodylate pH6.5

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.623	α = 90
b = 105.76	β = 90
c = 155.977	γ = 90

Symmetry
Space Group	I 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		2016-06-23	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	2.26	52.88	98.54	18.2	12.2		21671

Refinement

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 (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.26	52.88	21671	1143	98.53	0.19917	0.19697	0.21	0.24097	0.25	RANDOM	68.99

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]
3.46			2.72		-6.18

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.242
r_dihedral_angle_3_deg	15.929
r_dihedral_angle_4_deg	14.946
r_long_range_B_other	8.855
r_long_range_B_refined	8.849
r_scangle_other	6.604
r_dihedral_angle_1_deg	6.388
r_mcangle_it	4.547
r_mcangle_other	4.546
r_scbond_it	4.225
r_scbond_other	4.225
r_mcbond_it	2.88
r_mcbond_other	2.875
r_angle_refined_deg	1.544
r_angle_other_deg	0.94
r_chiral_restr	0.091
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2925
Nucleic Acid Atoms
Solvent Atoms	68
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
SCALA	data scaling
PHASER	phasing