1RQW
Thaumatin Structure at 1.05 A Resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 6.8 | 298 | Drop: 4ul 40mg/ml thaumatin (in DTNB saturated ddH2O) + 2ul well solution [0.05M ADA pH6.8, 0.6M potassium sodium tartrate (whose 2M stock soution is saturated with DTNB), 20% Glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 6.80 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.23 | 44.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 57.847 | α = 90 |
b = 57.847 | β = 90 |
c = 150.125 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 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 | 100 | CCD | BRUKER SMART 6000 | OSMIC BLUE CONFOCAL MIRRORS | 2003-02-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | MACSCIENCE M06X |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.05 | 160 | 97.7 | 0.039 | 37.8 | 19.1 | 116807 | -3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.05 | 1.15 | 96.5 | 0.298 | 7.17 | 9.25 |
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 | MOLECULAR REPLACEMENT | FREE R | IN HOUSE MODEL | 1.05 | 10 | 116567 | 5831 | 97.6 | 0.127 | 0.127 | 0.152 | RANDOM |
Temperature Factor Modeling | ||||||
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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 |
17 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_from_restr_planes | 0.439 |
s_approx_iso_adps | 0.116 |
s_non_zero_chiral_vol | 0.074 |
s_zero_chiral_vol | 0.063 |
s_anti_bump_dis_restr | 0.053 |
s_similar_adp_cmpnt | 0.028 |
s_angle_d | 0.026 |
s_similar_dist | 0.016 |
s_bond_d | 0.008 |
s_rigid_bond_adp_cmpnt | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1552 |
Nucleic Acid Atoms | |
Solvent Atoms | 398 |
Heterogen Atoms | 10 |
Software
Software | |
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Software Name | Purpose |
PROTEUM PLUS | data collection |
SAINT | data reduction |
SADABS | data reduction |
XPREP | data reduction |
MOLREP | phasing |
SHELXL-97 | refinement |
PROTEUM PLUS | data reduction |
SAINT | data scaling |
SADABS | data scaling |