3KBN

Room temperature structure of D-Xylose Isomerase in complex with 2Ni(2+) co-factors and d12-D-glucose in the linear form

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1XIB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.7	290	40mg/ml protein, 5mM NiCl2, 500mM d12-D-glucose 30% (v/v) ammonium sulfate (sat.), pH 7.7, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.007	α = 90
b = 99.669	β = 90
c = 102.862	γ = 90

Symmetry
Space Group	I 2 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	RIGAKU RAXIS IV++		2009-03-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E DW	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.53	20	85			72268	61655	4	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.53	1.58	93.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1XIB	1.53	20	72268	61655	3619	99.2	0.1406	0.138	0.1815	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
5		3360.5

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.09
s_non_zero_chiral_vol	0.068
s_similar_adp_cmpnt	0.061
s_zero_chiral_vol	0.055
s_angle_d	0.028
s_from_restr_planes	0.0232
s_anti_bump_dis_restr	0.018
s_bond_d	0.012
s_rigid_bond_adp_cmpnt	0.004
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3053
Nucleic Acid Atoms
Solvent Atoms	341
Heterogen Atoms	15

Software

Software
Software Name	Purpose
CrystalClear	data collection
SHELX	model building
SHELXL-97	refinement
CrystalClear	data reduction
CrystalClear	data scaling
SHELX	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.