1MKS
CARBOXYLIC ESTER HYDROLASE, TRIGONAL FORM OF THE TRIPLE MUTANT
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.2 | CRYSTALS WERE GROWN BY THE HANGING DROP VAPOR DIFFUSION METHOD FROM DROPLETS CONTAINING 5 (MICRO)L OF THE MUTANT PROTEIN (15MG/ML) 5MM CACL2, 50MM TRIS BUFFER, PH 7.2 AND 2 (MICRO)L OF 75% MPD AND (50%) OF MPD IN THE RESERVOIR, vapor diffusion - hanging drop |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.38 | 48 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 47.08 | α = 90 |
b = 47.08 | β = 90 |
c = 102.37 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 1 |
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 | 291 | IMAGE PLATE | RIGAKU RAXIS IIC | 1995-12-01 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 |
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 | 1.82 | 15 | 8 | 0.069 | 2 | 7346 |
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) | |||||||||||
1.82 | 2 | 29 | 0.194 | 1.72 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution 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 | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | THE ATOMIC COORDINATES OF THE NEW HIGH RESOLUTION REFINEMENT OF THE TRIGONAL FORM OF THE NATIVE ENZYME WERE USED AS THE STARTING MODEL (PDB ENTRY 1MKT). | WILD TYPE | 1.9 | 8 | 2 | 6809 | 64 | 0.186 | 0.186 |
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 | 23.1 |
x_angle_deg | 2.7 |
x_improper_angle_d | 1.2 |
x_bond_d | 0.015 |
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 | 955 |
Nucleic Acid Atoms | |
Solvent Atoms | 77 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
R-AXIS | data collection |
R-AXIS | data reduction |
X-PLOR | model building |
X-PLOR | refinement |
R-AXIS | data scaling |
X-PLOR | phasing |