3NI7

Crystal structure of the TetR transcriptional regulator from Nitrosomonas europaea ATCC 19718

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	293	0.1M HEPES, 0.65M MGFORMATE, pH 7.5, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.32	46.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.222	α = 90
b = 75.378	β = 90
c = 98.079	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	MIRROR	2006-06-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9790	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.8	50	99.9	0.122	0.122	19.797	7.1	12269	12269		-3	69.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.85	94.8		0.708	0.708	2.1	6.9

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	2.78	50	12316	12223	590	99.11	0.25	0.25	0.249	0.279	RANDOM	81.49

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]
-0.09			0.29		-0.19

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.44
r_dihedral_angle_3_deg	17.873
r_dihedral_angle_4_deg	17.219
r_dihedral_angle_1_deg	4.627
r_scangle_it	4.349
r_angle_other_deg	4.169
r_scbond_it	2.834
r_angle_refined_deg	1.637
r_mcangle_it	1.334
r_mcbond_other	0.903

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.44
r_dihedral_angle_3_deg	17.873
r_dihedral_angle_4_deg	17.219
r_dihedral_angle_1_deg	4.627
r_scangle_it	4.349
r_angle_other_deg	4.169
r_scbond_it	2.834
r_angle_refined_deg	1.637
r_mcangle_it	1.334
r_mcbond_other	0.903
r_mcbond_it	0.683
r_chiral_restr	0.084
r_bond_refined_d	0.02
r_gen_planes_other	0.008
r_gen_planes_refined	0.006
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2727
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
HKL-3000	phasing
MLPHARE	phasing
DM	model building
SHELXD	phasing
RESOLVE	model building
ARP/wARP	model building
BUCCANEER	model building
REFMAC	refinement
Coot	model building
HKL-2000	data reduction
HKL-2000	data scaling
DM	phasing
RESOLVE	phasing
BUCCANEER	phasing

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 R01GM133198.