2GB4
Crystal structure of Thiopurine methyltransferase (18204406) from Mus musculus at 1.35 A resolution
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2BZG | pdb entry 2bzg |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP, NANODROP | 5.6 | 293 | 5.0% Glycerol, 19.0% iso-Propanol, 19.0% PEG-4000, 0.1M Citrate, pH 5.6, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.43 | 48.98 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 62.988 | α = 90 |
b = 70.554 | β = 115.7 |
c = 72.593 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | MARMOSAIC 325 mm CCD | 2005-07-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | SSRL | BL9-2 |
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 | 1.25 | 50 | 79.4 | 0.033 | 15.4 | 2.7 | 125498 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
1.25 | 1.29 | 46.9 | 0.325 | 1.5 |
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 | pdb entry 2bzg | 1.25 | 35.9 | 125430 | 4154 | 79.4 | 0.139 | 0.136 | 0.193 | RANDOM EXPANDED BY TWIN LAW | 18.394 |
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] | |
-1.26 | -0.44 | 1.96 | -1.07 |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
11 | 3551 | 4169 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_from_restr_planes | 0.389 |
s_approx_iso_adps | 0.105 |
s_similar_dist | 0.067 |
s_zero_chiral_vol | 0.065 |
s_non_zero_chiral_vol | 0.063 |
s_similar_adp_cmpnt | 0.04 |
s_angle_d | 0.032 |
s_anti_bump_dis_restr | 0.023 |
s_bond_d | 0.012 |
s_rigid_bond_adp_cmpnt | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3796 |
Nucleic Acid Atoms | |
Solvent Atoms | 402 |
Heterogen Atoms | 52 |
Software
Software | |
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Software Name | Purpose |
SHELXL-97 | refinement |
SCALEPACK | data scaling |
PDB_EXTRACT | data extraction |
DENZO | data reduction |
MOLREP | phasing |
REFMAC | refinement |