4RKQ

Crystal structure of LacI family transcriptional regulator from Arthrobacter sp. FB24, target EFI-560007

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		protein: 10 mM bis-tris, 500 mM NaCl, 10% glycerol, 5 mM DTT reservoir: 0.1 M magnesium chloride, 0.1 M MES:NaOH, pH 6.5, 30% (w/v) PEG 400; cryoprotection: reservoir; vapor diffusion, sitting drop, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.244	α = 90
b = 125.126	β = 96.68
c = 116.422	γ = 90

Symmetry
Space Group	P 1 21 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	ADSC QUANTUM 315	MIRRORS	2014-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A		NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.9	50	100	0.112	0.112	14.5	4.2		82386		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.93	95.7		0.63	0.63	2.4	4.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	SAD	THROUGHOUT	NONE	1.903	50	79909	2439	99.33	0.15591	0.15436	0.20704	RANDOM	29.492

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]
1.32		-1.13	-0.23		-0.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.152
r_dihedral_angle_4_deg	18.685
r_scbond_it	16.313
r_scbond_other	16.312
r_scangle_other	15.617
r_long_range_B_refined	14.725
r_long_range_B_other	14.724
r_dihedral_angle_3_deg	13.63
r_mcangle_it	8.422
r_mcangle_other	8.422
r_mcbond_it	8.024
r_mcbond_other	8.01
r_dihedral_angle_1_deg	5.973
r_angle_refined_deg	1.54
r_angle_other_deg	0.816
r_chiral_restr	0.093
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8008
Nucleic Acid Atoms
Solvent Atoms	620
Heterogen Atoms	19

Software

Software
Software Name	Purpose
CBASS	data collection
SHELX	model building
ARP/wARP	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
SHELX	phasing