3S0Y

The crystal structure of the periplasmic domain of MotB (residues 64-256).

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	2.1 M ammonium sulphate, 100 mM MES monohydrate pH 6.5 and 2.5% v/v 1,4-dioxane, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.21	α = 90
b = 75.21	β = 90
c = 124.707	γ = 90

Symmetry
Space Group	P 43 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	ADSC QUANTUM 315r		2007-11-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	1.004	ESRF	ID14-4

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	1.8	20	91	0.062	16.8	5.3	30716	30716

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	1.8	19.72	30668	1566	90.43	0.1801	0.1779	0.2214	RANDOM	34.137

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]
0.88			0.88		-1.76

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.032
r_dihedral_angle_4_deg	16.259
r_dihedral_angle_3_deg	14.343
r_dihedral_angle_1_deg	5.897
r_scangle_it	3.538
r_scbond_it	2.122
r_mcangle_it	1.35
r_angle_refined_deg	1.325
r_angle_other_deg	0.886
r_mcbond_it	0.736
r_mcbond_other	0.183
r_chiral_restr	0.077
r_bond_refined_d	0.012
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2737
Nucleic Acid Atoms
Solvent Atoms	225
Heterogen Atoms	15

Software

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