3S03

The crystal structure of the periplasmic domain of Helicobacter pylori MotB (residues 97-256, P43).

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	293	100 mM citric acid pH 5.0, 0.8 M Ammonium sulphate, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.669	α = 90
b = 71.669	β = 90
c = 126.236	γ = 90

Symmetry
Space Group	P 43

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 225 mm CCD		2009-04-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.87	ESRF	ID23-2

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	2.5	71.67	85	0.109	0.109	7.6	3.5	18607	18607

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	2.5	2.64	87.7		0.319	0.319	2.4	3.4	2816

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	2.5	71.67	18571	981	84.16	0.2281	0.2251	0.2843	RANDOM	50.13

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]
1.37			1.37		-2.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.881
r_dihedral_angle_3_deg	16.637
r_dihedral_angle_4_deg	14.385
r_scangle_it	10.801
r_scbond_it	9.166
r_mcangle_it	7.407
r_mcbond_it	5.505
r_dihedral_angle_1_deg	3.593
r_angle_refined_deg	1.175
r_chiral_restr	0.076
r_bond_refined_d	0.009
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4484
Nucleic Acid Atoms
Solvent Atoms	145
Heterogen Atoms	35

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
PHASER	phasing