Experiment: 1GW9

Tri-iodide derivative of Xylose Isomerase from Streptomyces Rubiginosus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		1.8M AMMONIUM SULPHATE, 10MM TRIS-HCL AT PH7.5 AND THEN SOAKED IN AN EQUIVALENT SOLUTION WITH 50MM KI/50MM I2 AND 1.9M L-XYLOSE ADDED AS CRYO-PROTECTANT., pH 7.50

Crystal Properties
Matthews coefficient	Solvent content
2.76	55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.354	α = 90
b = 98.54	β = 90
c = 102.507	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	100	IMAGE PLATE	MAR scanner 345 mm plate	OSMIC MULTILAYER	2000-12-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200

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	1.55	32.05	98.6	0.065	8.4	18.8		1257016		6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.55	1.63	96.3		0.264	2.7	13

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	1.55	32.05	66821	3400	98.6	0.165	0.164	0.1628	0.188	0.1849	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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3021
Nucleic Acid Atoms
Solvent Atoms	347
Heterogen Atoms	51

Software

Software
Software Name	Purpose
BUSTER-TNT	refinement
d*TREK	data reduction
SCALA	data scaling