1KFJ
CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH L-SERINE
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1QOP |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 7.8 | PEG 8000, pH 7.80 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.57 | 52.05 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 183.23 | ¦Á = 90 |
b = 59.679 | ¦Â = 94.65 |
c = 67.462 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | MARRESEARCH | 2001-02-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | ESRF | ID14-1 |
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 | 1.8 | 35 | 96 | 0.07 | 10.1 | 2.6 | 64848 | -3 |
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 | 1.9 | 86.8 | 0.337 | 2.86 | 2.1 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1QOP | 1.8 | 20 | 61544 | 3266 | 96.1 | 0.176 | 0.174 | 0.211 | RANDOM | 32.86 |
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] | |
-1.43 | 0.05 | 2.13 | -0.7 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
p_scangle_it | 8.515 |
p_scbond_it | 5.444 |
p_mcangle_it | 3.54 |
p_mcbond_it | 2.334 |
p_chiral_restr | 0.248 |
p_xyhbond_nbd | 0.153 |
p_bond_d | 0.029 |
p_angle_d | |
p_angle_deg | |
p_planar_d |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4893 |
Nucleic Acid Atoms | |
Solvent Atoms | 343 |
Heterogen Atoms | 23 |
Software
Software | |
---|---|
Software Name | Purpose |
XDS | data scaling |
XSCALE | data scaling |
CNS | refinement |
REFMAC | refinement |
XDS | data reduction |
CNS | phasing |