3LR5

Periplasmic domain of the risS sensor protein from Burkholderia pseudomallei, iodide phased at neutral pH

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	0.1 M BisTris Propane pH 6.5, 0.2 M NaI, 25% PEG 3350, crystal tracking ID 203088f3, affinity tag not removed prior to crystallization, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.59

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.04	α = 90
b = 76.01	β = 90
c = 88.68	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	RIGAKU SATURN 944		2010-01-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

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	2.3	19.61	98.9	0.092	15.79	6.69		13048		-3	30.555

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)
	2.3	2.36	99.8		0.41	4.6	6.25	949

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	SAD	THROUGHOUT	2.3	19.61	13048	640	98.95	0.206	0.203	0.252	RANDOM	22.722

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]
0.89			-1.64		0.75

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.136
r_dihedral_angle_4_deg	22.839
r_dihedral_angle_3_deg	16.197
r_dihedral_angle_1_deg	6.719
r_scangle_it	3.578
r_scbond_it	2.156
r_angle_refined_deg	1.504
r_mcangle_it	1.452
r_mcbond_it	0.775
r_chiral_restr	0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.136
r_dihedral_angle_4_deg	22.839
r_dihedral_angle_3_deg	16.197
r_dihedral_angle_1_deg	6.719
r_scangle_it	3.578
r_scbond_it	2.156
r_angle_refined_deg	1.504
r_mcangle_it	1.452
r_mcbond_it	0.775
r_chiral_restr	0.1
r_bond_refined_d	0.014
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1928
Nucleic Acid Atoms
Solvent Atoms	163
Heterogen Atoms	5

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

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.