2HQG

Conformation of the AcrB Multidrug Efflux Pump in Mutants of the Putative Proton Relay Pathway

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	298	pH 5.6, vapor diffusion Hanging drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
4.61	73.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 144.9	α = 90
b = 144.9	β = 90
c = 518.635	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		2005-09-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2		ALS	8.2.2

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	3.38	50	99.1				1102154		2.7

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	3.38	3.56	94.6

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	3.38	20	27257	1455	96.51	0.25507	0.25406	0.27458	RANDOM	94.762

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]
-0.9	-0.45		-0.9		1.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	43.707
r_dihedral_angle_3_deg	29.51
r_dihedral_angle_4_deg	21.57
r_dihedral_angle_1_deg	19.062
r_scangle_it	9.125
r_scbond_it	5.702
r_angle_refined_deg	5.596
r_mcangle_it	3.975
r_mcbond_it	2.155
r_nbd_refined	0.463
r_symmetry_vdw_refined	0.417
r_nbtor_refined	0.411
r_xyhbond_nbd_refined	0.4
r_symmetry_hbond_refined	0.387
r_chiral_restr	0.348
r_bond_refined_d	0.075
r_gen_planes_refined	0.018
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
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	7719
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling