Putidaredoxin-Binding Stablilizes an Active Conformer of Cytochrome P450cam in its Reduced State; Crystal Structure of Cytochrome P450cam
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | SMALL TUBES | 6 | 293 | ammonium sulfate, pH 6.0, SMALL TUBES, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 44.18 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 109.16 | α = 90 |
b = 104.33 | β = 90 |
c = 36.18 | 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 | 297 | CCD | MAR CCD 165 mm | mirrors | 2001-10-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL44B2 | 1.0 | SPring-8 | BL44B2 |
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 | 2 | 15 | 95.1 | 0.032 | 13.2 | 3.9 | 163126 | 27250 | 16.5 |
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) | |||||||||||
2 | 2.11 | 79.8 | 0.061 | 11 | 2 | 3231 |
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-Work (Depositor) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | THROUGHOUT | 2 | 15 | 27147 | 1367 | 94.5 | 0.177 | 0.182 | RANDOM | 27.7 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 24.4 |
x_scangle_it | 6.51 |
x_scbond_it | 4.31 |
x_mcangle_it | 3.21 |
x_mcbond_it | 2.13 |
x_angle_deg | 1.1 |
x_improper_angle_d | 0.84 |
x_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3208 |
Nucleic Acid Atoms | |
Solvent Atoms | 126 |
Heterogen Atoms | 54 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
X-PLOR | model building |
X-PLOR | refinement |
CCP4 | data scaling |
X-PLOR | phasing |