1LY8
The crystal structure of a mutant enzyme of Coprinus cinereus peroxidase provides an understanding of its increased thermostability and insight into modelling of protein structures
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.2 | 277 | 1.6M ammonium sulphate, 0.1M 2-(N- Morpholino)ethanesulfonic acid, pH 6.2, VAPOR DIFFUSION, HANGING DROP at 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 44.52 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 74.49 | ¦Á = 90 |
b = 114.86 | ¦Â = 90 |
c = 73.61 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 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 | MARRESEARCH | 2001-04-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | MAX II BEAMLINE I711 | 1.08535 | MAX II | I711 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.05 | 20 | 84.9 | 0.086 | 0.086 | 3.1 | 40181 | 35855 | -3 | 5.7 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.05 | 2.1 | 91.6 | 0.186 | 0.186 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.05 | 19.91 | 35855 | 33983 | 1687 | 84.6 | 0.204 | 0.202 | 0.202 | 0.249 | RANDOM | 16 |
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] | |
-5.34 | 6.26 | -0.92 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 21.8 |
c_angle_deg | 1.4 |
c_improper_angle_d | 0.97 |
c_mcangle_it | 0.88 |
c_scangle_it | 0.87 |
c_scbond_it | 0.57 |
c_mcbond_it | 0.55 |
c_bond_d | 0.014 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4930 |
Nucleic Acid Atoms | |
Solvent Atoms | 637 |
Heterogen Atoms | 234 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
CNS | refinement |