2G8C

Atomic-resolution crystal structure of Borrelia burgdorferi OspA via surface entropy reduction

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.7	293	30% PEG400, 0.1M imidazole, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.224	α = 90
b = 54.628	β = 100.36
c = 66.459	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	100	CCD	ADSC QUANTUM 4		2005-08-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.0	APS	17-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.15	20	99.8	0.071	0.071	17.76	2.9	82636	82636	1	1

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)
	1.15	1.19	99.8		0.328	3.04	2.3

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1OSP, O chain	1.15	20	78535	78535	4113	99.63	0.15498	0.15364	0.17996	RANDOM	11.183

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]
0.1		-0.04	1.01		-1.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.958
r_dihedral_angle_3_deg	11.557
r_dihedral_angle_4_deg	6.095
r_sphericity_free	6.03
r_dihedral_angle_1_deg	5.901
r_sphericity_bonded	3.372
r_scangle_it	3.201
r_mcangle_it	2.623
r_scbond_it	2.376
r_mcbond_it	2.057
r_angle_refined_deg	1.784
r_rigid_bond_restr	1.378
r_angle_other_deg	0.914
r_mcbond_other	0.907
r_nbd_refined	0.208
r_nbd_other	0.192
r_nbtor_refined	0.161
r_xyhbond_nbd_refined	0.127
r_symmetry_vdw_other	0.12
r_chiral_restr	0.118
r_symmetry_vdw_refined	0.108
r_symmetry_hbond_refined	0.097
r_nbtor_other	0.086
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.006
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1869
Nucleic Acid Atoms
Solvent Atoms	403
Heterogen Atoms	26

Software

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