1A0E
XYLOSE ISOMERASE FROM THERMOTOGA NEAPOLITANA
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7 | PROTEIN 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 | |
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Matthews coefficient | Solvent content |
2.4 | 50 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 161.79 | α = 90 |
b = 121.87 | β = 90 |
c = 98.86 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 293 | DIFFRACTOMETER | ENRAF-NONIUS FAST | DUAL SLIT, COLLIMATOR | 1994-06-06 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ELLIOTT GX-21 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.7 | 12.5 | 96.3 | 0.076 | 7.1 | 2.3 | 26137 | 51.2 |
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 | 2.7 | 2.88 | 93.9 | 0.158 | 4.3 | 1.9 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | A POSTERIORI | XYLOSE ISOMERASE FROM THERMOANAEROBACTERIUM THERMOSULFURIGENES | 2.7 | 12.5 | 26119 | 1265 | 97.1 | 0.18 | 0.18 | 0.203 | RANDOM | 39 |
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 | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 21.7 |
x_angle_deg | 1.5 |
x_improper_angle_d | 1.22 |
x_bond_d | 0.009 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7012 |
Nucleic Acid Atoms | |
Solvent Atoms | 256 |
Heterogen Atoms | 6 |
Software
Software | |
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Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
MADNES | data reduction |
CCP4 | data scaling |
X-PLOR | phasing |