3FIW

Structure of SCO0253, a Tetr-family transcriptional regulator from Streptomyces coelicolor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	295	0.1 M Sodium Cacodylate ph 6.5, 0.2 M Ammonium Sulfate, 30% PEG 8K, cryoprotected with N-paratone oil, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.62	52.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.487	α = 90
b = 114.352	β = 90.14
c = 67.446	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	2006-08-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97931	APS	19-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	2.2	42.8	97.4	0.114	26.18	7.2	49911	48607			30.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.22	83.8		0.369	4	6	1040

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	2.2	42.8	45931	2454	97.49	0.19243	0.18908	0.2555	RANDOM	36.826

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]
-0.01		0.01	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.894
r_dihedral_angle_4_deg	20.454
r_dihedral_angle_3_deg	19.36
r_dihedral_angle_1_deg	6.002
r_scangle_it	4.421
r_scbond_it	2.876
r_mcangle_it	1.74
r_angle_refined_deg	1.703
r_mcbond_it	1.042
r_nbtor_refined	0.298
r_symmetry_vdw_refined	0.251
r_nbd_refined	0.22
r_symmetry_hbond_refined	0.203
r_xyhbond_nbd_refined	0.163
r_chiral_restr	0.109
r_bond_refined_d	0.018
r_gen_planes_refined	0.007
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	5369
Nucleic Acid Atoms
Solvent Atoms	426
Heterogen Atoms	7

Software

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