3CKA

The crystal structure of OspA mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9	293	30% PEG400, 0.1M Tris-HCl, 10mg/ml protein with 4mM Thioflavin-T, pH 9, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.293	α = 90
b = 83.647	β = 90
c = 106.153	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	MARMOSAIC 300 mm CCD		2007-12-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	0.95373	APS	23-ID-B

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	1.65	50	99.8	0.074	22.2	6.1		82033

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	1.65	1.71	100		0.78	2.5	5.9	8124

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 2OY7	1.65	20	77805	77805	4100	98.4	0.20407	0.20407	0.20214	0.24033	RANDOM	21.523

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]
0.19			-0.63		0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.322
r_dihedral_angle_3_deg	14.912
r_dihedral_angle_4_deg	13.752
r_dihedral_angle_1_deg	8.118
r_scangle_it	4.801
r_scbond_it	3.524
r_mcangle_it	2.104
r_angle_refined_deg	1.833
r_mcbond_it	1.557
r_angle_other_deg	0.971
r_mcbond_other	0.388
r_nbd_refined	0.224
r_symmetry_vdw_refined	0.224
r_symmetry_vdw_other	0.222
r_nbd_other	0.206
r_symmetry_hbond_refined	0.198
r_nbtor_refined	0.177
r_xyhbond_nbd_refined	0.145
r_chiral_restr	0.126
r_nbtor_other	0.09
r_bond_refined_d	0.02
r_gen_planes_refined	0.008
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4807
Nucleic Acid Atoms
Solvent Atoms	517
Heterogen Atoms	80

Software

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