X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherxylose isolmerase from T. thermosulfurigene

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17PROTEIN WAS CRYSTALLIZED FROM 14% JEFFAMINE ED 4000, 5 MM MGSO4, 0.5 MM COCL2, 50 MM MOPS, PH 7.0 (FOR DETAILS SEE REFERENCE 1).
Crystal Properties
Matthews coefficientSolvent content
2.450

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 161.79α = 90
b = 121.87β = 90
c = 98.86γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293DIFFRACTOMETERENRAF-NONIUS FASTDUAL SLIT, COLLIMATOR1994-06-16M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEELLIOTT GX-21

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.712.596.30.0767.12.32613751.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.72.8893.90.1584.31.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTA POSTERIORIXYLOSE ISOMERASE FROM THERMOANAEROBACTERIUM THERMOSULFURIGENES2.712.526119126597.10.180.180.203RANDOM39
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
KeyRefinement Restraint Deviation
x_dihedral_angle_d21.7
x_angle_deg1.5
x_improper_angle_d1.22
x_bond_d0.009
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d21.7
x_angle_deg1.5
x_improper_angle_d1.22
x_bond_d0.009
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7012
Nucleic Acid Atoms
Solvent Atoms256
Heterogen Atoms6

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
MADNESdata reduction
CCP4data scaling
X-PLORphasing