3R6U

Crystal structure of choline binding protein OpuBC from Bacillus subtilis

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1SW2	PDB ENTRY 1SW2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.7	285	20% PEG 3350, 0.2M potassium acetate, pH 8.7, VAPOR DIFFUSION, temperature 285K

Crystal Properties
Matthews coefficient	Solvent content
2	38.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.9	α = 90
b = 66.9	β = 93.6
c = 64.1	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	MARMOSAIC 225 mm CCD		2010-02-04	M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.6	20	93.5			32793	30685	2	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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 1SW2	1.61	18.69	2	32793	30077	1583	100	0.16263	0.16009	0.21016	RANDOM	15.022

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]
		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.608
r_dihedral_angle_4_deg	15.678
r_dihedral_angle_3_deg	14.594
r_dihedral_angle_1_deg	5.958
r_scangle_it	5.161
r_scbond_it	3.26
r_angle_refined_deg	2.092
r_mcangle_it	2.008
r_mcbond_it	1.281
r_chiral_restr	0.15
r_bond_refined_d	0.027
r_gen_planes_refined	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2175
Nucleic Acid Atoms
Solvent Atoms	442
Heterogen Atoms	7

Software

Software
Software Name	Purpose
DNA	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling