1XLI

MECHANISM FOR ALDOSE-KETOSE INTERCONVERSION BY D-XYLOSE ISOMERASE INVOLVING RING OPENING FOLLOWED BY A 1,2-HYDRIDE SHIFT

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.86	57.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.8	α = 90
b = 105.8	β = 90
c = 153.2	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1

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		2.5	10	32962			0.15

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	33.1
p_staggered_tor	17.2
p_scangle_it	3
p_scbond_it	1.9
p_mcangle_it	1.5
p_mcbond_it	0.9
p_multtor_nbd	0.22
p_chiral_restr	0.17
p_singtor_nbd	0.16
p_planar_d	0.053
p_angle_d	0.047
p_bond_d	0.019
p_plane_restr	0.015
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_xyhbond_nbd
p_planar_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6054
Nucleic Acid Atoms
Solvent Atoms	519
Heterogen Atoms	28

Software

Software
Software Name	Purpose
PROLSQ	refinement