1JTG
CRYSTAL STRUCTURE OF TEM-1 BETA-LACTAMASE / BETA-LACTAMASE INHIBITOR PROTEIN COMPLEX
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 8.8 | pH 8.8 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.46 | 49.97 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.8 | α = 90 |
b = 126.3 | β = 90 |
c = 158.3 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 298 | IMAGE PLATE | MAR scanner 300 mm plate | 1995-11-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X11 | EMBL/DESY, HAMBURG | X11 |
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 | 1.7 | 20 | 88 | 0.056 | 17 | 4 | 89586 | 2 | 17.8 |
Refinement
Statistics | |||||||||||||||||||
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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 | MOLECULAR REPLACEMENT | THROUGHOUT | TEM-1 NATIVE | 1.73 | 19.96 | 89586 | 4511 | 93 | 0.173 | 0.173 | 0.205 | RANDOM | 24.5 |
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] | |
-1.75 | 2.6 | -0.85 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.5 |
c_scangle_it | 6.02 |
c_scbond_it | 4.27 |
c_mcangle_it | 3.35 |
c_mcbond_it | 2.59 |
c_angle_deg | 1.6 |
c_improper_angle_d | 0.91 |
c_bond_d | 0.01 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6505 |
Nucleic Acid Atoms | |
Solvent Atoms | 441 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
CNS | refinement |