3WA8

Crystal structure of M. ruber CasB

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	293	PEG5K MME, Tascimate, HEPES, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.17	61.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.823	α = 90
b = 75.383	β = 90
c = 112.671	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	CCD	ADSC QUANTUM 315r		2012-12-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	1.007	SSRF	BL17U

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	2.8	50	99.9		5.7	14950	14829	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.85	99

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.8	45.13	14950	14829	780	99.84	0.23	0.21012	0.20775	0.25883	RANDOM	71.42

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]
3.68			-1.27		-2.41

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.529
r_dihedral_angle_4_deg	23.27
r_dihedral_angle_3_deg	21.34
r_dihedral_angle_1_deg	6.403
r_scangle_it	3.073
r_scbond_it	1.745
r_angle_refined_deg	1.502
r_mcangle_it	1.408
r_mcbond_it	0.778
r_nbtor_refined	0.325
r_symmetry_hbond_refined	0.271
r_symmetry_vdw_refined	0.253
r_nbd_refined	0.241
r_xyhbond_nbd_refined	0.205
r_chiral_restr	0.114
r_bond_refined_d	0.015
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2954
Nucleic Acid Atoms
Solvent Atoms	14
Heterogen Atoms	4

Software

Software
Software Name	Purpose
HKL-2000	data collection
SHARP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling