3KS0
Crystal structure of the heme domain of flavocytochrome b2 in complex with Fab B2B4
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 6.5 | 291 | 20 % PEG 4000, 0.1 M MES pH 6.5, 0.2 M MgCl2, vapor diffusion, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.4 | 48.82 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 72.58 | α = 90 |
b = 83.68 | β = 96.8 |
c = 92.165 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 210 | 2003-11-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | 0.934 | ESRF | ID14-1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.7 | 25 | 97 | 0.165 | 0.165 | 9.1 | 3.5 | 29267 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | ||||||||||
2.7 | 2.85 | 94.6 | 0.666 | 0.666 | 1.2 | 3.3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2.7 | 24.75 | 27762 | 1487 | 96.64 | 0.21771 | 0.21399 | 0.28907 | RANDOM | 43.709 |
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] | |
-0.42 | 0.22 | -0.15 | 0.62 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.093 |
r_dihedral_angle_4_deg | 28.341 |
r_dihedral_angle_3_deg | 19.179 |
r_dihedral_angle_1_deg | 6.449 |
r_scangle_it | 2.869 |
r_angle_refined_deg | 1.821 |
r_scbond_it | 1.732 |
r_mcangle_it | 1.29 |
r_mcbond_it | 0.688 |
r_chiral_restr | 0.103 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7803 |
Nucleic Acid Atoms | |
Solvent Atoms | 132 |
Heterogen Atoms | 86 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SCALA | data scaling |
PHASER | phasing |
CNS | refinement |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |