6IDN
Crystal structure of ICChI chitinase from ipomoea carnea
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 291 | 5mM Cobalt Chloride, 5mM Cadmium Chloride, 5mM Magnesium Chloride, 5mM Nickle Chloride, 100mM HEPES pH 7.0, 11% PEG 3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.52 | 51.28 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 59.49 | α = 90 |
b = 59.49 | β = 90 |
c = 171.2 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 210r | 2008-06-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM16 | 0.98401 | ESRF | BM16 |
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 | 1.5 | 30 | 99.9 | 0.068 | 20.2 | 10.4 | 50243 | 18.71 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.5 | 3 | 0.28 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 1HVQ | 1.5 | 30 | 1.35 | 50243 | 2521 | 99.93 | 0.191 | 0.1893 | 0.2242 | Random selection | 26.03 |
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 |
f_dihedral_angle_d | 5.1128 |
f_angle_d | 0.8959 |
f_chiral_restr | 0.0574 |
f_bond_d | 0.0065 |
f_plane_restr | 0.0056 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2119 |
Nucleic Acid Atoms | |
Solvent Atoms | 343 |
Heterogen Atoms | 147 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
PHENIX | refinement |
Aimless | data scaling |
Coot | model building |
PHASER | phasing |