2VEO
X-ray structure of Candida antarctica lipase A in its closed state.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 6.4 | 2 MICROLITER 10 MILLIGRAM/MILLILITER PROTEIN IN 0.002M TRIS-HCL, PH 8.0 MIXED WITH 1 MICROLITER 0.2M AMMONIUM SULFATE, 0.1M BIS-TRIS, PH 5.5, AND 25% (W/V) PEG 3350. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.2 | 60 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 91.539 | α = 90 |
b = 91.539 | β = 90 |
c = 299.842 | γ = 90 |
Symmetry | |
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Space Group | P 43 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 | 110 | CCD | ADSC CCD | 2006-05-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | ESRF | ID29 |
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 | 2.2 | 30 | 96 | 0.14 | 10.2 | 4 | 63098 | 2 | 21.7 |
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 | 2.2 | 2.32 | 85.3 | 0.62 | 2 | 2.5 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | SIRAS | THROUGHOUT | NONE | 2.2 | 30 | 59774 | 3194 | 96 | 0.192 | 0.19 | 0.221 | RANDOM | 15.73 |
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] | |
0.07 | 0.07 | -0.14 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.447 |
r_dihedral_angle_4_deg | 15.224 |
r_dihedral_angle_3_deg | 13.176 |
r_dihedral_angle_1_deg | 4.622 |
r_scangle_it | 0.953 |
r_angle_refined_deg | 0.937 |
r_scbond_it | 0.564 |
r_mcangle_it | 0.457 |
r_nbtor_refined | 0.3 |
r_mcbond_it | 0.255 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6504 |
Nucleic Acid Atoms | |
Solvent Atoms | 466 |
Heterogen Atoms | 23 |
Software
Software | |
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Software Name | Purpose |
O | model building |
SCALA | data scaling |
SHELXD | phasing |
MLPHARE | phasing |
SHARP | phasing |
O | phasing |
REFMAC | refinement |