3D9B

Symmetric structure of E. coli AcrB

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.6	293	0.1M MES, 31% PEG 400, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
4.62	73.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 145.74	α = 90
b = 145.74	β = 90
c = 514	γ = 120

Symmetry
Space Group	H 3 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 315		2007-12-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.97980	ESRF	ID23-1

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	3.42	20	99.3	0.124	0.124	11.97	6.12		28788		3	67.7

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	3.42	3.6	100		0.619	3.25	6.24	4072

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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 2I6W	3.42	19.97	28788	27636	1152	100	0.29114	0.28851	0.35459	RANDOM	44.522

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]
0.1	0.05		0.1		-0.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.052
r_dihedral_angle_3_deg	18.867
r_dihedral_angle_4_deg	13.982
r_dihedral_angle_1_deg	8.433
r_angle_refined_deg	1.408
r_angle_other_deg	1.075
r_scangle_it	0.951
r_mcangle_it	0.698
r_mcbond_it	0.639
r_scbond_it	0.615
r_symmetry_vdw_refined	0.262
r_symmetry_vdw_other	0.262
r_nbd_refined	0.252
r_nbd_other	0.2
r_xyhbond_nbd_refined	0.194
r_chiral_restr	0.19
r_nbtor_refined	0.19
r_xyhbond_nbd_other	0.149
r_symmetry_hbond_refined	0.112
r_nbtor_other	0.088
r_mcbond_other	0.058
r_bond_refined_d	0.01
r_gen_planes_refined	0.003
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7950
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing