1K24

Crystal Structure of the OpcA Outer Membrane Adhesin/Invasin from Neisseria meningitidis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	PEG 6K, Zinc Acetate, Zinc Chloride, C10E5, Beta-heptyl-glucoside, TRIS/HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.04	59.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.859	α = 90
b = 46.346	β = 90
c = 73.977	γ = 90

Symmetry
Space Group	P 21 21 2

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	MARRESEARCH	toroidal mirror	1999-10-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.934	ESRF	ID14-2

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	2.03	36.5	98.3	0.084	0.084	16.5	10.2	21875	21875		-5	37.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.03	2.08	82.4		0.325	0.325	4.1	6.2	1320

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	2.03	36.5	20754	20754	1093	98.45	0.237	0.237	0.235	0.274	Random	70.2

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]
3.25	-1.58	-1.67

RMS Deviations
Key	Refinement Restraint Deviation
p_multtor_nbd	19.876
p_singtor_nbd	5.305
p_scangle_it	2.489
p_angle_d	1.951
p_scbond_it	1.622
p_mcangle_it	0.913
p_mcbond_it	0.567
p_xyhbond_nbd	0.228
p_hb_or_metal_coord	0.155
p_chiral_restr	0.143
p_bond_d	0.019
p_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1952
Nucleic Acid Atoms
Solvent Atoms	144
Heterogen Atoms	35

Software

Software
Software Name	Purpose
SHARP	phasing
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling