2OBD | pdb_00002obd

Crystal Structure of Cholesteryl Ester Transfer Protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	~30% PDE 400, 0.2M MgCl2, HEPES 0.1M, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
4.15	70.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 66.78	α = 90
b = 70.32	β = 90
c = 187.62	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 210		2005-03-20	M	SINGLE WAVELENGTH
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1	APS	17-ID
2	SYNCHROTRON	ESRF BEAMLINE ID23-1	1	ESRF	ID23-1

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	2.1	50	88	0.078	17	5	59800	52263	2	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)
	2.1	2.157	50		0.378	2.1	3

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	2.1	46.88	52263	40673	2176	81.99	0.22	0.22	0.21689	0.2139	0.2652	0.2168	RANDOM	44.54

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]
1.07			2.07		-3.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.902
r_dihedral_angle_3_deg	18.725
r_dihedral_angle_4_deg	15.702
r_dihedral_angle_1_deg	6.449
r_scangle_it	3.018
r_scbond_it	1.862
r_angle_refined_deg	1.635
r_mcangle_it	1.228
r_mcbond_it	0.697
r_nbtor_refined	0.32
r_symmetry_vdw_refined	0.21
r_nbd_refined	0.209
r_symmetry_hbond_refined	0.181
r_xyhbond_nbd_refined	0.171
r_chiral_restr	0.115
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3748
Nucleic Acid Atoms
Solvent Atoms	416
Heterogen Atoms	301

Software

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