6W3O

Crystal structure of ligand-binding domain of Campylobacter jejuni chemoreceptor Tlp3 in complex with 4-methylisoleucine

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4XMR

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		298	PEG 3350, sodium citrate and ammonium sulphate

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.42	α = 90
b = 137.72	β = 94.04
c = 48.79	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	CCD	ADSC QUANTUM 210r		2018-02-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.9537	Australian Synchrotron	MX1

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	1.42	40.45	98.5	0.042	17.1	3.6		102980

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	1.42	1.5			0.147	6.4

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	4xmr	1.42	40.45	97770	5124	98.41	0.1169	0.1146	0.1617	RANDOM	20.634

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]
0.75		0.43	-0.64		-0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	42.585
r_dihedral_angle_2_deg	34.458
r_dihedral_angle_4_deg	16.321
r_sphericity_bonded	15.298
r_dihedral_angle_3_deg	11.68
r_rigid_bond_restr	6.612
r_dihedral_angle_1_deg	6.314
r_angle_refined_deg	1.483
r_angle_other_deg	1.036
r_chiral_restr	0.106

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	42.585
r_dihedral_angle_2_deg	34.458
r_dihedral_angle_4_deg	16.321
r_sphericity_bonded	15.298
r_dihedral_angle_3_deg	11.68
r_rigid_bond_restr	6.612
r_dihedral_angle_1_deg	6.314
r_angle_refined_deg	1.483
r_angle_other_deg	1.036
r_chiral_restr	0.106
r_gen_planes_refined	0.014
r_bond_refined_d	0.012
r_gen_planes_other	0.006
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3926
Nucleic Acid Atoms
Solvent Atoms	935
Heterogen Atoms	34

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
iMOSFLM	data reduction
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 R01GM157729.