4LRZ

Crystal Structure of the E.coli DhaR(N)-DhaL complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	microbatch, sitting drop	6.5	295	30% (v/v) 2-ethoxyethanol, pH 6.5, microbatch, sitting drop, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.17	61.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 89.766	α = 84.15
b = 91.5	β = 72.42
c = 93.808	γ = 90.01

Symmetry
Space Group	P 1

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	RAYONIX MX-225		2009-12-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9793	APS	31-ID

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	2.32	91	97.5	0.09	9.6	3.9		119216

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	2.32	2.4	92.1		0.588		3.4	11317

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	2.32	90.91	119153	6008	97.27	0.2021	0.1997	0.2474	RANDOM	45.984

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]
-1.28	-0.23	0.06	-0.49	0.89	1.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.187
r_dihedral_angle_3_deg	20.016
r_dihedral_angle_4_deg	19.54
r_dihedral_angle_1_deg	5.972
r_scangle_it	4.452
r_scbond_it	2.74
r_angle_refined_deg	1.743
r_mcangle_it	1.576
r_mcbond_it	0.813
r_chiral_restr	0.126
r_bond_refined_d	0.018
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15367
Nucleic Acid Atoms
Solvent Atoms	445
Heterogen Atoms	116

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction