Experiment: 3ECO

Crystal structure of MepR, a transcription regulator of the Staphylococcus aureus multidrug efflux pump MepA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	15% PEG 4000, 0.2 M Magnesium sulfate,10% glycerol, NDSB-256, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.65	53.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.196	α = 90
b = 96.574	β = 90
c = 110.283	γ = 90

Symmetry
Space Group	P 21 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					M	MAD
2	1	x-ray						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1	0.9797, 0.9798, 1.02	ALS	8.3.1
2	SYNCHROTRON	ALS BEAMLINE 8.3.1	1.116	ALS	8.3.1

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	2.4	500	99.8	0.046	25.6	3.9	14202	14174			16.2

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-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.4	47.89	14202	14108	1393	99.7	0.242	0.2413	0.289	0.2904	Random	1

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]
6.72	-4.11	-2.61

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_deg	1
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2126
Nucleic Acid Atoms
Solvent Atoms	196
Heterogen Atoms	5

Software

Software
Software Name	Purpose
DENZO	data reduction
SOLVE	phasing
CNS	refinement
MOSFLM	data reduction
SCALA	data scaling