1JYW
E. COLI (lacZ) BETA-GALACTOSIDASE (E537Q) IN COMPLEX WITH PNPG
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1DP0 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 288 | Bis-Tris, PEG 8000, MgCl2, NaCl, DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP at 288K, pH 6.50 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.7 | 55 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 149.68 | ¦Á = 90 |
b = 168.6 | ¦Â = 90 |
c = 201.09 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | ADSC QUANTUM 4 | 1999-07-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.8984 | SSRL | BL9-2 |
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 | 1.55 | 28.8 | 98.3 | 0.042 | 10 | 2.7 | 715525 | 715525 | 14.1 |
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) | |||||||||||
1.55 | 95.8 | 0.28 | 4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1DP0 | 1.55 | 28.8 | 715525 | 715525 | 10463 | 98.3 | 0.18 | 0.229 | RANDOM | 21 |
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] | |
-0.9 | 1.8 | -0.9 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
t_dihedral_angle_d | 17.3 |
t_pseud_angle | 14.1 |
t_it | 7.4 |
t_angle_deg | 2.91 |
t_nbd | 0.09 |
t_gen_planes | 0.021 |
t_bond_d | 0.02 |
t_trig_c_planes | 0.018 |
t_incorr_chiral_ct |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 32511 |
Nucleic Acid Atoms | |
Solvent Atoms | 4462 |
Heterogen Atoms | 551 |
Software
Software | |
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Software Name | Purpose |
TNT | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
TNT | phasing |