1SD4
Crystal Structure of a SeMet derivative of BlaI at 2.0 A
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 291 | ammonium sulfate, glycerol, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.47 | 50.25 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 64.412 | α = 90 |
b = 116.362 | β = 90 |
c = 40.17 | γ = 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 | CCD | BRANDEIS - B4 | 2003-03-23 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X12C | 0.9792, 0.9795, 0.9611 | NSLS | X12C |
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 | 30 | 98.4 | 0.061 | 52.8 | 13.7 | 20786 | 20786 | 34.7 |
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 | 2.07 | 94.5 | 0.51 | 3.7 | 10.3 |
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 | MAD | THROUGHOUT | 2 | 29.3 | 19686 | 19686 | 1061 | 98.33 | 0.2102 | 0.20468 | 0.20291 | 0.23718 | RANDOM | 35.416 |
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] | |
0.41 | 1.13 | -1.53 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_scangle_it | 6.523 |
r_dihedral_angle_1_deg | 4.055 |
r_scbond_it | 3.809 |
r_mcangle_it | 2.518 |
r_angle_refined_deg | 1.358 |
r_mcbond_it | 1.304 |
r_nbd_refined | 0.229 |
r_xyhbond_nbd_refined | 0.2 |
r_symmetry_vdw_refined | 0.177 |
r_symmetry_hbond_refined | 0.156 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2036 |
Nucleic Acid Atoms | |
Solvent Atoms | 225 |
Heterogen Atoms | 20 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CBASS | data collection |
SCALEPACK | data scaling |
SOLVE | phasing |