2HKU

Structural Genomics, the crystal structure of a putative transcriptional regulator from Rhodococcus sp. RHA1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	30% PEG2000 MME, 0.2M Ammonium Sulphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.4	α = 90
b = 123.701	β = 90
c = 73.84	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	SBC-3	mirror	2006-03-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97883	APS	19-BM

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	30.5	99.8	0.091	27.3	8.5	29578	29578

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	2.07	99.1		0.5	2.94	7.2

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-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2	30.5	28056	28056	1500	99.81	0.21317	0.21073	0.25912	RANDOM	34.718

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]
-0.02			0.03		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.043
r_dihedral_angle_4_deg	19.341
r_dihedral_angle_3_deg	18.729
r_dihedral_angle_1_deg	10.375
r_scangle_it	5.286
r_scbond_it	3.519
r_mcangle_it	2.295
r_angle_refined_deg	2.131
r_mcbond_it	1.488
r_nbtor_refined	0.307
r_symmetry_vdw_refined	0.243
r_nbd_refined	0.238
r_chiral_restr	0.181
r_xyhbond_nbd_refined	0.162
r_symmetry_hbond_refined	0.16
r_bond_refined_d	0.027
r_gen_planes_refined	0.01
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	2852
Nucleic Acid Atoms
Solvent Atoms	144
Heterogen Atoms	41

Software

Software
Software Name	Purpose
REFMAC	refinement
HKLSBC	data reduction
HKL-2000	data scaling
HKLSBC	phasing