2F1M

Conformational flexibility in the multidrug efflux system protein AcrA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.4	277	30% 2-methyl-2,4-pentadiol (MPD), 20 mM MgCl2, 100 mM citrate pH 5.4, 1 mM TCEP, VAPOR DIFFUSION, HANGING DROP, temperature 277K, pH 5.40

Crystal Properties
Matthews coefficient	Solvent content
3.17	61.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.788	α = 90
b = 100.031	β = 90
c = 332.586	γ = 90

Symmetry
Space Group	C 2 2 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	CCD	ADSC QUANTUM 210		2004-11-22	M	MAD
2	1
3	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.1		ALS	8.2.1

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	2.7	50	97.3	0.09	14.6	5		39324		1

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	2.7	2.8	91.1		0.429	2.3	3.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.71	50	40642	39271	1972	96.7	0.239	0.239	0.237	0.275	RANDOM	60.96

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]
-6.28			10.54		-4.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.727
r_dihedral_angle_3_deg	19.903
r_dihedral_angle_4_deg	19.113
r_dihedral_angle_1_deg	5.967
r_scangle_it	1.735
r_angle_refined_deg	1.608
r_scbond_it	1.062
r_mcangle_it	0.616
r_mcbond_it	0.352
r_nbtor_refined	0.298
r_nbd_refined	0.206
r_symmetry_vdw_refined	0.192
r_symmetry_hbond_refined	0.155
r_xyhbond_nbd_refined	0.137
r_chiral_restr	0.098
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
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	6964
Nucleic Acid Atoms
Solvent Atoms	36
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
SHELXD	phasing