2B7A
The structural basis of Janus Kinase 2 inhibition by a potent and specific pan-Janus kinase inhibitor
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1M14 | PDB ENTRY 1M14 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | 28% PEG 8000, 0.2M ammonium acetate, 0.1M citrate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.16 | 61.03 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 111.273 | α = 90 |
b = 111.273 | β = 90 |
c = 70.577 | γ = 90 |
Symmetry | |
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Space Group | P 41 |
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 | IMAGE PLATE | RIGAKU RAXIS IV | 2004-02-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU300 | 1.5418 |
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 | 2 | 100 | 96.8 | 0.065 | 15.95 | 2.7 | 146053 | 53644 |
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) | |||||||||||
2 | 2.07 | 97.1 | 0.55 | 2.12 | 2.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Number Reflections (All) | 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 | PDB ENTRY 1M14 | 2 | 100 | 2 | 146053 | 53644 | 2861 | 96.86 | 0.2108 | 0.20881 | 0.24927 | RANDOM | 39.233 |
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] | |
0.98 | 0.98 | -1.96 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.844 |
r_dihedral_angle_4_deg | 15.598 |
r_dihedral_angle_3_deg | 13.24 |
r_dihedral_angle_1_deg | 4.73 |
r_scangle_it | 3.144 |
r_scbond_it | 1.989 |
r_mcangle_it | 1.434 |
r_angle_refined_deg | 1.02 |
r_mcbond_it | 0.85 |
r_nbtor_refined | 0.297 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4762 |
Nucleic Acid Atoms | |
Solvent Atoms | 395 |
Heterogen Atoms | 46 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SCALEPACK | data scaling |
AMoRE | phasing |