3HIM

The Crystal Structure of a Bacterial Regulatory Protein in the tetR Family from Rhodococcus RHA1 to 2.2A

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.6	298	30% PEG 4000, 0.2M Ammonium acetate, 0.1M Sodium citrate pH 5.6, vapor diffusion, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.05	39.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.053	α = 90
b = 63.042	β = 90
c = 94.766	γ = 90

Symmetry
Space Group	P 21 21 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	ADSC QUANTUM 315		2006-03-26		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97935	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	2.1	50	98.2	0.082	5.3	4.6		22502

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	2.1	2.18	86.7		0.346		4.2	1956

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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		THROUGHOUT	2.2	28.1	19271	998	99.02	0.2	0.197	0.248	RANDOM	18.379

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			-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.197
r_dihedral_angle_4_deg	16.299
r_dihedral_angle_3_deg	15.049
r_dihedral_angle_1_deg	4.727
r_scangle_it	2.451
r_scbond_it	1.554
r_angle_refined_deg	1.182
r_mcangle_it	0.858
r_mcbond_it	0.477
r_chiral_restr	0.081

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.197
r_dihedral_angle_4_deg	16.299
r_dihedral_angle_3_deg	15.049
r_dihedral_angle_1_deg	4.727
r_scangle_it	2.451
r_scbond_it	1.554
r_angle_refined_deg	1.182
r_mcangle_it	0.858
r_mcbond_it	0.477
r_chiral_restr	0.081
r_bond_refined_d	0.012
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2831
Nucleic Acid Atoms
Solvent Atoms	132
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	phasing
SHELX	phasing
MLPHARE	phasing
DM	phasing
ARP/wARP	model building
Coot	model building

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.