5AQI
Fragment-based screening of HSP70 sheds light on the functional role of ATP-binding site residues
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1HX1 | PDB ENTRY 1HX1 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8.5 | 16-26% (W/V) PEG3350, 0.1 M K-NA TARTRATE, 0.1 M TRIS.HCL PH 8.5 AND 25% (V/V) GLYCEROL |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.44 | 49.65 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 229.2 | α = 90 |
b = 41.12 | β = 90.58 |
c = 115.97 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 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 | ADSC CCD | 2011-02-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM16 | ESRF | BM16 |
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 | 1.98 | 40.96 | 45.7 | 0.07 | 6.4 | 2.3 | 34725 | 20.88 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.98 | 2.03 | 13 | 0.67 | 0.5 | 1.3 |
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 1HX1 | 1.98 | 40.96 | 34721 | 1776 | 45.45 | 0.1753 | 0.1717 | 0.2424 | RANDOM | 30.35 |
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] | |
2.6605 | 2.1285 | 1.4376 | -4.0981 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 18.7 |
t_omega_torsion | 2.65 |
t_angle_deg | 1.15 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes | |
t_gen_planes | |
t_it |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7517 |
Nucleic Acid Atoms | |
Solvent Atoms | 255 |
Heterogen Atoms | 98 |
Software
Software | |
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Software Name | Purpose |
BUSTER | refinement |
XDS | data reduction |
Aimless | data scaling |
PHASER | phasing |