3BQY

Crystal structure of a possible TetR family transcriptional regulator from Streptomyces coelicolor A3(2).

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	292	25% PEG 3350, 0.1M HEPES pH 7.5, 20% Sucrose, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
3.32	62.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.755	α = 90
b = 83.755	β = 90
c = 83.7	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	CUSTOM-MADE		2006-12-18	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97932, 0.97948	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	1.94	50	99.8	0.103	7.9	8.1	24079	24079		-3	27.8

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	1.94	1.99	99.7		0.539	3.7	8.4	1583

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	MAD	THROUGHOUT	1.95	34.18	22229	22229	1129	99.77	0.183	0.183	0.181	0.21	RANDOM	31.652

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]
0.54			0.54		-1.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.441
r_dihedral_angle_4_deg	22.153
r_dihedral_angle_3_deg	14.844
r_dihedral_angle_1_deg	4.378
r_scangle_it	3.362
r_scbond_it	2.285
r_mcangle_it	1.48
r_angle_refined_deg	1.28
r_mcbond_it	0.936
r_nbtor_refined	0.301

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	28.441
r_dihedral_angle_4_deg	22.153
r_dihedral_angle_3_deg	14.844
r_dihedral_angle_1_deg	4.378
r_scangle_it	3.362
r_scbond_it	2.285
r_mcangle_it	1.48
r_angle_refined_deg	1.28
r_mcbond_it	0.936
r_nbtor_refined	0.301
r_symmetry_vdw_refined	0.218
r_nbd_refined	0.207
r_symmetry_hbond_refined	0.193
r_xyhbond_nbd_refined	0.151
r_chiral_restr	0.09
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1518
Nucleic Acid Atoms
Solvent Atoms	181
Heterogen Atoms	14

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building
CCP4	phasing
O	model building
Coot	model building

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.