4FT7

Crystal Structure of the CHK1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	PEG 8000, Isopropanol, HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.342	α = 90
b = 65.806	β = 94
c = 58.225	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	IMAGE PLATE	MARRESEARCH	mirrors		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.54

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	2.2	20	99.9	0.061	17.3		17442	17425		-3

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	2.2	2.28	98.7		0.264			1716

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.2	19.74	17410	879	99.76	0.1724	0.1712	0.1946	RANDOM	31.9843

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]
1.456		-0.1404	-2.8191		1.363

RMS Deviations
Key	Refinement Restraint Deviation
t_omega_torsion	2.99
t_other_torsion	2.75
t_angle_deg	1
t_bond_d	0.009
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_pseud_angle
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2143
Nucleic Acid Atoms
Solvent Atoms	196
Heterogen Atoms	45

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
BUSTER-TNT	refinement
PDB_EXTRACT	data extraction
BUSTER	refinement