2QBL
Crystal structure of ferric G248T cytochrome P450cam
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1AKD | PDB entry 1akd |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.4 | 277 | 1 UL OF 15 MG/ML P450 IN 50 MM Potassium phosphate, 250 MM KCL WERE MIXED WITH AN EQUAL VOLUME OF THE RESERVOIR SOLUTION (100 mM Tris, 250 mM KCl, 27-30% PEG 8000, 100 MM DTE), pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.31 | 46.73 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 64.09 | α = 90 |
b = 64.59 | β = 90 |
c = 106.26 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 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 | 100 | CCD | ADSC QUANTUM 4 | toroidal mirror | 2004-07-23 | M | SINGLE WAVELENGTH | |||||
2 | 1 |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-2 | 0.93 | ESRF | ID14-2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.8 | 20 | 99.7 | 0.047 | 19.5 | 4.4 | 41485 | 41485 | -3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1.8 | 1.9 | 99.8 | 0.381 | 4.4 | 4.5 | 6120 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | PDB entry 1akd | 1.8 | 20 | 41485 | 41485 | 2075 | 99.8 | 0.219 | 0.264 | random | 24.264 |
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] | |
-4.567 | -0.522 | 5.09 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 2.303 |
c_scbond_it | 1.903 |
c_angle_d | 1.64 |
c_mcangle_it | 1.372 |
c_mcbond_it | 0.958 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3210 |
Nucleic Acid Atoms | |
Solvent Atoms | 371 |
Heterogen Atoms | 55 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |
XSCALE | data scaling |
CNS | phasing |