5F2E
Crystal Structure of small molecule ARS-853 covalently bound to K-Ras G12C
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4LUC |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 10.5 | 293 | 2.2 M 3:2 NaH2PO4/K2HPO4, 0.2 M Li2SO4, 0.1 M glycine pH=10.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.05 | 39.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 39.11 | α = 90 |
b = 43.08 | β = 90 |
c = 93.96 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | ADSC QUANTUM 315r | 2014-04-05 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.1 | 0.977408 | ALS | 5.0.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.4 | 46.98 | 97.6 | 0.063 | 0.073 | 0.035 | 12.5 | 4 | 31261 | 31261 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.4 | 1.48 | 85.6 | 0.307 | 0.307 | 0.215 | 2.5 | 2.9 | 3855 |
Refinement
Statistics | |||||||||||||||||||
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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 | 4LUC | 1.4 | 46.98 | 29624 | 1583 | 97.37 | 0.1516 | 0.1503 | 0.1759 | RANDOM | 13.079 |
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] | |
0.03 | -0.01 | -0.02 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.242 |
r_dihedral_angle_4_deg | 14.471 |
r_dihedral_angle_3_deg | 12.496 |
r_dihedral_angle_1_deg | 6.906 |
r_angle_refined_deg | 2.626 |
r_mcangle_it | 1.739 |
r_mcbond_it | 1.117 |
r_angle_other_deg | 1.111 |
r_mcbond_other | 1.104 |
r_chiral_restr | 0.158 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1336 |
Nucleic Acid Atoms | |
Solvent Atoms | 187 |
Heterogen Atoms | 81 |
Software
Software | |
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Software Name | Purpose |
iMOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |