1ALQ
CIRCULARLY PERMUTED BETA-LACTAMASE FROM STAPHYLOCOCCUS AUREUS PC1
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3BLM | PDB ENTRY 3BLM |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8 | PROTEIN WAS CRYSTALLIZED FROM 70% SATURATED AMMONIUM SULFATE SOLUTION, 0.3M KCL, 100MM NAHCO3 AT PH8.0, 0.5% V/V PEG600 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.96 | 57 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.9 | α = 90 |
b = 94.2 | β = 90 |
c = 138.3 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 2 |
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 | 300 | AREA DETECTOR | SIEMENS | COLLIMATOR | 1996-10-09 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
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 | 1.8 | 30 | 89 | 0.079 | 20.4 | 4.9 | 29813 |
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) | |||||||||||
1.8 | 1.91 | 66 | 0.408 | 1.8 | 2.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | DIFFERENCE FOURIER | FREE R-VALUE | PDB ENTRY 3BLM | 1.8 | 30 | 29777 | 2981 | 88.8 | 0.196 | 0.191 | 0.256 | EVERY 10TH REFLECTION |
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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
2122 | 2203.5 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_anti_bump_dis_restr | 0.118 |
s_non_zero_chiral_vol | 0.109 |
s_zero_chiral_vol | 0.102 |
s_similar_adp_cmpnt | 0.082 |
s_angle_d | 0.04 |
s_from_restr_planes | 0.034 |
s_bond_d | 0.02 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2033 |
Nucleic Acid Atoms | |
Solvent Atoms | 212 |
Heterogen Atoms | 9 |
Software
Software | |
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Software Name | Purpose |
SHELXL-97 | model building |
X-PLOR | model building |
SHELXL-97 | refinement |
X-PLOR | refinement |
XENGEN | data reduction |
XENGEN | data scaling |
SHELXL-97 | phasing |
X-PLOR | phasing |