2CHE

STRUCTURE OF THE MG2+-BOUND FORM OF CHEY AND MECHANISM OF PHOSPHORYL TRANSFER IN BACTERIAL CHEMOTAXIS

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.71	α = 90
b = 46.98	β = 90
c = 53.91	γ = 90

Symmetry
Space Group	P 21 21 21

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.8		49659			0.19

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_orthonormal_tor	25.6
p_staggered_tor	22
p_planar_tor	4.3
p_scangle_it	2.384
p_mcangle_it	1.499
p_scbond_it	1.469
p_mcbond_it	0.936
p_multtor_nbd	0.305
p_xhyhbond_nbd	0.293
p_chiral_restr	0.226
p_singtor_nbd	0.211
p_planar_d	0.044
p_angle_d	0.041
p_bond_d	0.02
p_plane_restr	0.02
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	981
Nucleic Acid Atoms
Solvent Atoms	96
Heterogen Atoms	1

Software

Software
Software Name	Purpose
PROLSQ	refinement