4H3T

Crystal structure of CRISPR-associated protein Cse1 from Acidimicrobium ferrooxidans

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	289	0.2 M proline, 0.1 M HEPES/NaOH, 10% PEG3350, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
3.95	68.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 137.017	α = 90
b = 137.017	β = 90
c = 203.537	γ = 90

Symmetry
Space Group	I 41 2 2

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	mirrors	2011-08-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97915	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.03	50	99	0.07	25.3	12	62743	62132		-3	41.2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.03	2.07	99.9		0.73	2.4	9.6	3130

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	2.03	29.72	61879	61879	1260	99.04	0.182	0.182	0.1816	0.1991	RANDOM	52.61

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]
-3.0899			-3.0899		6.1798

RMS Deviations
Key	Refinement Restraint Deviation
t_omega_torsion	4.46
t_other_torsion	2.9
t_angle_deg	1.11
t_bond_d	0.014
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_chiral_improper_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4060
Nucleic Acid Atoms
Solvent Atoms	269
Heterogen Atoms	12

Software

Software
Software Name	Purpose
SBC-Collect	data collection
SHELX	model building
MLPHARE	phasing
DM	model building
ARP/wARP	model building
Coot	model building
BUSTER	refinement
HKL-3000	data reduction
HKL-3000	data scaling
SHELX	phasing
DM	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 R01GM133198.