3KFK
Crystal structures of a group II chaperonin from Methanococcus maripaludis
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3KFE | PDB ENTRY 3KFE |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 298 | 0.1 M MES buffer pH 6.5, 5 mM spermidine and 30 % of 2-Methyl- 2,4-pentanediol (MPD), VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.73 | 73.99 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 150.533 | α = 90 |
b = 209.527 | β = 90 |
c = 266.862 | γ = 90 |
Symmetry | |
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Space Group | I 2 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 | 100 | CCD | ADSC QUANTUM 315r | 2008-04-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.2.2 | 1.000 | ALS | 8.2.2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 6 | 58.56 | 100 | 9343 | 9343 | 2 | 2 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
6 | 6.21 | 68.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB ENTRY 3KFE | 6.003 | 58.56 | 1.34 | 9343 | 493 | 95.07 | 0.2422 | 0.2406 | 0.2704 |
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] | |
-59.3108 | 124.455 | -65.1442 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 18.985 |
f_angle_d | 1.47 |
f_chiral_restr | 0.062 |
f_bond_d | 0.035 |
f_plane_restr | 0.011 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 14495 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 124 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
PHASER | phasing |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |