4F00
Crystal structure of the substrate binding domain of E.coli DnaK in complex with an apidaecin fragment from the bumblebee (residues 3 to 11)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4 | 292 | 2.4 M sodium malonate 0.1 M citric acid pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.04 | 39.58 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 94.156 | α = 90 |
b = 116.201 | β = 90 |
c = 37.169 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | 2011-07-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.1 | 0.918 | BESSY | 14.1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.95 | 25 | 99.9 | 0.056 | 15317 |
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 | 1.95 | 2.06 | 100 | 0.401 | 4.9 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | PDB ID 1DKZ | THROUGHOUT | 1.95 | 25 | 14529 | 764 | 99.73 | 0.19493 | 0.19247 | 0.2422 | RANDOM | 30.409 |
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] | |
-1.64 | -2.11 | 3.75 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 42.836 |
r_dihedral_angle_4_deg | 18.798 |
r_dihedral_angle_3_deg | 16.231 |
r_dihedral_angle_1_deg | 5.664 |
r_angle_refined_deg | 1.94 |
r_chiral_restr | 0.129 |
r_bond_refined_d | 0.018 |
r_gen_planes_refined | 0.01 |
r_bond_other_d | |
r_angle_other_deg |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1722 |
Nucleic Acid Atoms | |
Solvent Atoms | 87 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
MAR345 | data collection |
REFMAC | refinement |
XDS | data reduction |
SCALA | data scaling |
REFMAC | phasing |