3PPO

Structures of the substrate-binding protein provide insights into the multiple compatible solutes binding specificities of Bacillus subtilis ABC transporter OpuC

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	289	28%(v/v) Polyethylene Glycol 400, 0.2M Calcium Chloride dihydrate, 0.1M HEPES-Na, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.89	α = 90
b = 91.07	β = 90
c = 115.23	γ = 90

Symmetry
Space Group	P 2 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MAR scanner 345 mm plate		2010-07-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	2.6	30	94.2			19559	19559

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.74	83.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	1SW2	2.7	29.92	13838	739	78.85	0.2135	0.2122	0.2378	RANDOM	27.961

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]
1.06			-1.75		0.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.638
r_dihedral_angle_3_deg	14.413
r_dihedral_angle_4_deg	13.563
r_dihedral_angle_1_deg	5.818
r_scangle_it	1.778
r_angle_refined_deg	1.383
r_scbond_it	1.074
r_mcangle_it	0.716
r_mcbond_it	0.402
r_chiral_restr	0.088
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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	4346
Nucleic Acid Atoms
Solvent Atoms	128
Heterogen Atoms	22

Software

Software
Software Name	Purpose
MAR345dtb	data collection
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling