3DEW

The structure of a putative TetR family transcriptional regulator from Geobacter sulfurreducens PCA.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	291	0.1M Na Acetate pH4.6, 4% PEG 4K, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
1.93	36.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.106	α = 90
b = 63.106	β = 90
c = 76.55	γ = 120

Symmetry
Space Group	P 32 2 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		2007-12-02	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97915,0.97937	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	1.75	44.5	99.3	0.074	0.074	9.8	10.8		18099		-3	24.6

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	1.75	1.79	100		0.483		10.8

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	1.75	44.5	18099	18099	926	99.3	0.173	0.173	0.171	0.21	RANDOM	17.335

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]
0.43	0.22		0.43		-0.65

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.301
r_dihedral_angle_4_deg	25.063
r_dihedral_angle_3_deg	13.456
r_dihedral_angle_1_deg	4.846
r_scangle_it	4.285
r_scbond_it	2.92
r_mcangle_it	1.538
r_angle_refined_deg	1.43
r_mcbond_it	1.277
r_nbtor_refined	0.304

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.301
r_dihedral_angle_4_deg	25.063
r_dihedral_angle_3_deg	13.456
r_dihedral_angle_1_deg	4.846
r_scangle_it	4.285
r_scbond_it	2.92
r_mcangle_it	1.538
r_angle_refined_deg	1.43
r_mcbond_it	1.277
r_nbtor_refined	0.304
r_symmetry_vdw_refined	0.232
r_nbd_refined	0.225
r_symmetry_hbond_refined	0.143
r_xyhbond_nbd_refined	0.141
r_chiral_restr	0.101
r_bond_refined_d	0.016
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1477
Nucleic Acid Atoms
Solvent Atoms	162
Heterogen Atoms	21

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	data scaling
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 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.