3L8I

Crystal structure of CCM3, a cerebral cavernous malformation protein critical for vascular integrity

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	298	0.1M potassium fluoride, 13% PEG 3350, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.083	α = 90
b = 116.008	β = 90
c = 123.038	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 270		2009-07-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	0.9551	NSLS	X6A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.5	25		0.061	16.3	7.3	32150	31805		2	68

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.59			0.661	2	5.1	3069

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	SIRAS	THROUGHOUT	2.5	25	30022	1600	98.95	0.23232	0.22932	0.28841	RANDOM	79.332

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]
-2.45			0.64		1.81

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.62
r_dihedral_angle_3_deg	17.794
r_dihedral_angle_4_deg	14.347
r_dihedral_angle_1_deg	4.808
r_scangle_it	1.988
r_scbond_it	1.206
r_angle_refined_deg	1.106
r_mcangle_it	0.801
r_mcbond_it	0.417
r_chiral_restr	0.081
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6655
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms

Software

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