1CNS
CRYSTAL STRUCTURE OF CHITINASE AT 1.91A RESOLUTION
X-RAY DIFFRACTION
Crystallization
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.24 | 45 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 69.38 | α = 90 |
b = 44.47 | β = 111.99 |
c = 81.49 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | AREA DETECTOR | FAST TV-AREA DETECTOR | 1993-09-10 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 |
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 | 1.91 | 27.3 | 86.8 | 0.049 | 2.5 | 31884 | 0.5 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | 1.91 | 8 | 2 | 31038 | 95.4 | 0.186 | 0.186 | 0.244 | 14.7 |
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 |
x_dihedral_angle_d | 25.1 |
x_improper_angle_d | 2.67 |
x_angle_deg | 1.3 |
x_bond_d | 0.013 |
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 | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3672 |
Nucleic Acid Atoms | |
Solvent Atoms | 226 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
MADNES | data collection |
X-PLOR | model building |
X-PLOR | refinement |
MADNES | data reduction |
X-PLOR | phasing |