6UDB

Spectroscopic and structural characterization of a genetically encoded direct sensor for protein-ligand interactions

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	500 ul of 0.1 M Bis-Tris, pH 6.5, 25% w/v polyethylene glycol 3350 in the reservoir with 2 ul of reservoir buffer mixed with 2 ul of 10 mg/ml of protein in the drop

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.458	α = 90
b = 85.555	β = 99
c = 58.098	γ = 90

Symmetry
Space Group	P 1 21 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	PIXEL	DECTRIS PILATUS3 6M		2018-02-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.000	ALS	5.0.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	1.55	42.78	99.6	0.923	10.9	1		64849

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.55	1.58			0.938	1.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	3RY2	1.55	42.78	62823	2000	99.55	0.167	0.1659	0.2014	RANDOM	28.433

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]
0.12		-0.31	1.85		-1.78

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.473
r_dihedral_angle_4_deg	19.673
r_dihedral_angle_3_deg	13.686
r_dihedral_angle_1_deg	7.28
r_angle_refined_deg	2.147
r_chiral_restr	0.172
r_bond_refined_d	0.022
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3590
Nucleic Acid Atoms
Solvent Atoms	451
Heterogen Atoms	28

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	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.