4B5L
The 1.6 A High Energy Room Temperature Structure of Proteinase K at 38.4 keV and 0.04 MGy
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3Q5G | PDB ENTRY 3Q5G |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | 1 UL OF 40 MG/ML PROTEIN IN DH2O MIXED WITH 1 MUL OF THE MOTHER LIQUOR. MOTHER LIQUOR 400 MM AMMONIUM SO4, 25% GLYCEROL, 100 MM NA CACODYLATE PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.1 | 41.3 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 68.538 | α = 90 |
b = 68.538 | β = 90 |
c = 108.375 | γ = 90 |
Symmetry | |
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Space Group | P 43 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 | 298 | IMAGE PLATE | MARRESEARCH | 2011-11-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID15C | ESRF | ID15C |
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 | 1.6 | 11 | 99.5 | 0.13 | 11.1 | 5.9 | 34541 | 2 |
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 | 1.6 | 1.63 | 99.6 | 0.82 | 1.5 | 5.9 |
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 | PDB ENTRY 3Q5G | 1.6 | 10.98 | 32791 | 1741 | 99.2 | 0.15952 | 0.15825 | 0.18435 | RANDOM | 14.887 |
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] | |
-0.04 | -0.04 | 0.08 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.292 |
r_dihedral_angle_4_deg | 18.859 |
r_dihedral_angle_3_deg | 11.791 |
r_dihedral_angle_1_deg | 5.768 |
r_angle_refined_deg | 1.46 |
r_chiral_restr | 0.108 |
r_bond_refined_d | 0.013 |
r_gen_planes_refined | 0.008 |
r_bond_other_d | |
r_angle_other_deg |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2032 |
Nucleic Acid Atoms | |
Solvent Atoms | 133 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
MOLREP | phasing |