1XLB

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
2.84	56.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.3	α = 90
b = 105.3	β = 90
c = 153.5	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	33632			0.157

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	33.6
p_staggered_tor	16.5
p_scangle_it	2.7
p_mcbond_it	1.8
p_scbond_it	1.6
p_mcangle_it	1.3
p_multtor_nbd	0.22
p_chiral_restr	0.17
p_singtor_nbd	0.16
p_planar_d	0.05
p_angle_d	0.046
p_bond_d	0.018
p_plane_restr	0.014
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	6052
Nucleic Acid Atoms
Solvent Atoms	586
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PROLSQ	refinement