5CHY

STRUCTURE OF CHEMOTAXIS PROTEIN CHEY

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6		28% PEG 8000, 0.12 M CALCIUM ACETATE, 0.1 M CACODYLATE BUFFER, PH 6.0

Crystal Properties
Matthews coefficient	Solvent content
2.02	39.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.6	α = 90
b = 46.55	β = 90
c = 53.33	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	292	IMAGE PLATE	RIGAKU RAXIS II			M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE

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		92	0.066	1			7433		1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2	2.13	80.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	PHASE WITH WILD TYPE	MODIFIED WITH WILD-TYPE CHEY	2	10	2	7156		88.5	0.185		24.5

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	24
p_staggered_tor	18.9
p_planar_tor	1.8
p_scangle_it	1.49
p_mcangle_it	1.414
p_scbond_it	0.825
p_mcbond_it	0.788
p_multtor_nbd	0.251
p_xyhbond_nbd	0.214
p_singtor_nbd	0.209
p_chiral_restr	0.138
p_planar_d	0.045
p_angle_d	0.044
p_bond_d	0.012
p_plane_restr	0.009
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	984
Nucleic Acid Atoms
Solvent Atoms	83
Heterogen Atoms	1

Software

Software
Software Name	Purpose
PROLSQ/PROFFT	model building
PROFFT	refinement
PROLSQ	refinement
RIGAKU	data reduction
RIGAKU	data scaling