1RKD
E. COLI RIBOKINASE COMPLEXED WITH RIBOSE AND ADP
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8.4 | CRYSTALS WERE GROWN IN THE PRESENCE OF 0.5 MM RIBOSE, 10 MM AMP-PNP AND 10 MM MGCL2 USING 2.1-2.4 M NH4H2PO4 AS PRECIPITANT AND BUFFERED TO PH 8.4 WITH 0.1 M TRIS-HCL. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.1 | 49 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 95.4 | α = 90 |
b = 95.4 | β = 90 |
c = 154.87 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 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 | 90 | IMAGE PLATE | MARRESEARCH | 1996-11-30 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE BW7B | EMBL/DESY, HAMBURG | BW7B |
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 | 1.84 | 30 | 95.5 | 0.055 | 30.2 | 7.5 | 35015 | 23 |
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 | 1.84 | 1.87 | 97.8 | 0.239 | 7.4 | 7.5 |
Refinement
Statistics | |||||||||||||||||||
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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 | MULTIPLE ISOMORPHOUS REPLACEMENT | THROUGHOUT | 1.84 | 28 | 35013 | 3542 | 95.5 | 0.221 | 0.22 | 0.258 | RANDOM | 29 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
p_transverse_tor | 29.6 |
p_staggered_tor | 16.2 |
p_scangle_it | 5 |
p_planar_tor | 4.2 |
p_scbond_it | 3.5 |
p_mcangle_it | 2 |
p_mcbond_it | 1.4 |
p_multtor_nbd | 0.25 |
p_singtor_nbd | 0.18 |
p_xyhbond_nbd | 0.15 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2248 |
Nucleic Acid Atoms | |
Solvent Atoms | 181 |
Heterogen Atoms | 47 |
Software
Software | |
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Software Name | Purpose |
MLPHARE | phasing |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |