1NJI
Structure of chloramphenicol bound to the 50S ribosomal subunit
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1JJ2 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.8 | 291 | PEG 6000, KCl, MgCl2, NH4Cl, Na Acetate, pH 5.8, VAPOR DIFFUSION, SITTING DROP at 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.13 | 60.74 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 211.72 | α = 90 |
b = 299.75 | β = 90 |
c = 573.43 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 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 | 95 | CCD | ADSC QUANTUM 315 | 2002-01-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X25 | 1.0000 | NSLS | X25 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.92 | 50 | 99.8 | 0.246 | 0.246 | 8.88 | 7 | 393891 | 393074 | -3 | 38.5 |
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) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
2.92 | 2.97 | 97.1 | 0.965 | 0.965 | 1.5 | 3.5 | 19931 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1JJ2 | 3 | 50 | 360866 | 347962 | 3391 | 96.5 | 0.209 | 0.209 | 0.176 | 0.209 | same test set as 1JJ2 | 46 |
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] | |
-1.23 | -4.45 | 5.68 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 15.6 |
c_scangle_it | 2.18 |
c_mcangle_it | 1.95 |
c_improper_angle_d | 1.41 |
c_scbond_it | 1.39 |
c_angle_deg | 1.2 |
c_mcbond_it | 1.15 |
c_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 28801 |
Nucleic Acid Atoms | 61617 |
Solvent Atoms | 7867 |
Heterogen Atoms | 251 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SCALEPACK | data scaling |
CNS | refinement |
HKL-2000 | data reduction |
CNS | phasing |