4H20
Crystal Structure and Computational Modeling of the Fab Fragment from the Protective anti-Ricin Monoclonal Antibody RAC18
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7.4 | 277 | 25 mM NaCl, 10 mM Tris-HCl (pH 7.4),1 mM EDTA, 95-98 mM lithium nitrate, 20% w/v PEG 3350, VAPOR DIFFUSION, temperature 277K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.35 | 47.74 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 39.64 | α = 90 |
b = 85.93 | β = 90 |
c = 130.07 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
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 | Bruker Platinum 135 | Helios | 2011-08-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | BRUKER AXS MICROSTAR | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.9 | 14.8 | 96.8 | 4.28 | 22.67 | 4.2 | 34728 | 34728 | 5.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.9 | 2 | 87 | 9.34 | 7.68 | 1.7 | 4383 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ID 3DIF chain A, PDB ID 1EGJ chain H | 1.9 | 14.8 | 34728 | 34728 | 2070 | 96.8 | 0.197 | 0.197 | 0.195 | 0.223 | RANDOM |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
Dihedral Angles | 27.1 |
Bond Angles | 1.4 |
Improper Angles | 0.75 |
Bond Lengths | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3307 |
Nucleic Acid Atoms | |
Solvent Atoms | 382 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
PROTEUM PLUS | data collection |
CNS | refinement |
PROTEUM PLUS | data reduction |
PROTEUM PLUS | data scaling |