2RA5

Crystal structure of the putative transcriptional regulator from Streptomyces coelicolor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	295	0.1M Tris-HCl pH 8.5, 0.2M MgCl2, 20% PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.514	18.735

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.768	α = 90
b = 43.768	β = 90
c = 170.735	γ = 90

Symmetry
Space Group	P 43 21 2

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	2007-03-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97920	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.4	50	96.3	0.116	8.3	20.8	6859	6859

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)
	2.4	2.49	75.2		0.384	2.2	7.4	513

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.4	42.68	6124	6124	675	96.28	0.225	0.225	0.218	0.292	RANDOM	69.685

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]
1.15			1.15		-2.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.176
r_dihedral_angle_3_deg	21.298
r_dihedral_angle_4_deg	18.799
r_scangle_it	17.536
r_scbond_it	13.252
r_mcangle_it	10.397
r_mcbond_it	8.426
r_dihedral_angle_1_deg	6.616
r_angle_refined_deg	1.804
r_symmetry_vdw_refined	0.446
r_symmetry_hbond_refined	0.325
r_nbtor_refined	0.316
r_nbd_refined	0.281
r_xyhbond_nbd_refined	0.183
r_chiral_restr	0.079
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
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	1188
Nucleic Acid Atoms
Solvent Atoms	66
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELX	phasing
MLPHARE	phasing
RESOLVE	phasing