2R2A

Crystal structure of N-terminal domain of zonular occludens toxin from Neisseria meningitidis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	291	0.2M Ammonium sulfate, 0.1M Sodium citrate, 20% PEG 3350, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 134.976	α = 90
b = 48.258	β = 134.31
c = 95.894	γ = 90

Symmetry
Space Group	C 1 2 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 315		2007-08-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97920	APS	19-ID

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	1.82	34.4	96.4	0.101	28.7	6.6	38209	38209			37.4

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	1.82	1.9	74.9		0.543	2.12	3.8	2923

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	SAD	THROUGHOUT	1.82	34.4	36244	36244	1931	96.19	0.1777	0.1777	0.1757	0.2144	RANDOM	27.803

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]
2.38		1.66	-1.24		1.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.045
r_dihedral_angle_3_deg	16.264
r_dihedral_angle_4_deg	15.856
r_dihedral_angle_1_deg	6.408
r_scangle_it	3.455
r_scbond_it	2.368
r_angle_refined_deg	1.623
r_mcangle_it	1.564
r_mcbond_it	1.091
r_nbtor_refined	0.305
r_nbd_refined	0.21
r_symmetry_vdw_refined	0.191
r_xyhbond_nbd_refined	0.16
r_chiral_restr	0.122
r_symmetry_hbond_refined	0.109
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3045
Nucleic Acid Atoms
Solvent Atoms	272
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-3000	data collection
HKL-3000	data reduction
HKL-3000	data scaling
SHELXD	phasing
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
HKL-3000	phasing