5G4Z

Structural basis for carboxylic acid recognition by a Cache chemosensory domain.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	PROTEIN AT 8.5 MG/ML IN 50 MM BISTRIS CHLORIDE, PH 6.5, 50 MM SODIUM CHLORIDE IN EQUAL VOLUME WITH 27% PEG 4000 AND 3% SUCROSE AT 20 C IN SITTING DROP PLATES. CRYSTALS WERE LATER SOAKED IN RESERVOIR SOLUTION WITH 40 MM NEUTRALIZED PROPIONATE.

Crystal Properties
Matthews coefficient	Solvent content
3.53	65.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.428	α = 90
b = 73.428	β = 90
c = 74.923	γ = 120

Symmetry
Space Group	P 64

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 CCD		2016-02-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2		Australian Synchrotron	MX2

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	1.98	48.5	100	0.09	18.7	11.1		16058

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	1.98	2.03	100		0.88	3.3	11.2

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	PDB ENTRY 5G4Y	1.98	63.59	15189	842	99.97	0.15785	0.15669	0.17741	RANDOM	37.333

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]
1.48	0.74		1.48		-4.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.759
r_dihedral_angle_4_deg	17.944
r_dihedral_angle_3_deg	14.462
r_dihedral_angle_1_deg	6.491
r_mcangle_it	4.224
r_scbond_it	4.175
r_mcbond_it	3.194
r_mcbond_other	3.19
r_angle_refined_deg	1.972
r_angle_other_deg	1.043
r_chiral_restr	0.123
r_bond_refined_d	0.02
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1167
Nucleic Acid Atoms
Solvent Atoms	59
Heterogen Atoms	15

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing