4Z0B
Crystal Structure of the Fab Fragment of Anti-ofloxacin Antibody and Exploration Its Receptor Binding Site
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | EVAPORATION | 293 | 0.2M ammonium phosphate dibasic, 20% PEG 3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.36 | 47.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 62.828 | α = 90 |
b = 53.528 | β = 98.39 |
c = 129.103 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | IMAGE PLATE | RIGAKU RAXIS IV++ | 2014-11-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.5418 |
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 | 3.1 | 50 | 90 | 9 | 2.9 | 7100 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | 1AR1 | 3.2 | 50 | 5895 | 272 | 85.94 | 0.2775 | 0.276 | 0.3086 | RANDOM | 55.508 |
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] | |
2.5 | 0.15 | -0.85 | -1.62 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.303 |
r_dihedral_angle_3_deg | 13.647 |
r_dihedral_angle_4_deg | 10.734 |
r_dihedral_angle_1_deg | 5.452 |
r_mcangle_it | 1.366 |
r_angle_refined_deg | 0.94 |
r_mcbond_it | 0.725 |
r_mcbond_other | 0.725 |
r_angle_other_deg | 0.66 |
r_chiral_restr | 0.052 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3169 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
HKL-2000 | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
PHASER | phasing |