3S8Q

Crystal structure of the R-M controller protein C.Esp1396I OL operator complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	289	0.2 M Sodium acetate, 0.1 m Bis-tris-propane, 20% w/v PEG 3350, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.316	α = 90
b = 61.546	β = 90
c = 113.687	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	CCD	ADSC QUANTUM 210		2008-07-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.9334	ESRF	ID14-1

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	2.1	50	94.6	0.085	14.66	4.6	17823	17823	-3	-3	31.238

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	2.1	2.2	96.6		0.478	4.11		10623

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.1	50	17823	17823	913	94.58	0.1602	0.1572	0.2187	RANDOM	32.61

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]
-1.16			2.46		-1.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.414
r_dihedral_angle_4_deg	17.531
r_dihedral_angle_3_deg	15.266
r_dihedral_angle_1_deg	5.286
r_scangle_it	3.538
r_scbond_it	2.603
r_angle_refined_deg	2.282
r_mcangle_it	1.735
r_mcbond_it	1.003
r_chiral_restr	0.124
r_bond_refined_d	0.022
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1243
Nucleic Acid Atoms	773
Solvent Atoms	296
Heterogen Atoms

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MxCuBE	data collection
XDS	data reduction