1JTT
Degenerate interfaces in antigen-antibody complexes
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1MEL |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 300 | 2M NaFormate, 100mM Na Citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 300K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.05 | 59.64 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 128.22 | α = 90 |
b = 72.84 | β = 106.94 |
c = 38.66 | 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 | MARRESEARCH | Si crystal monochrometer | 1998-07-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.1 | 100 | 99.8 | 0.15 | 0.15 | 11.5 | 5.5 | 19935 | 19935 |
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) | ||||||||||
2.1 | 2.18 | 99.8 | 0.432 | 0.432 | 3.48 | 4.8 | 1994 |
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-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | Rfree | 1MEL | 2.1 | 100 | 19935 | 19935 | 1810 | 9.1 | 0.178 | 0.178 | 0.164 | 0.204 | Random | 21.96 |
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] | |
1.791 | -1.396 | -1.141 | -0.65 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_angle_d | 1.76 |
c_bond_d | 0.017 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2051 |
Nucleic Acid Atoms | |
Solvent Atoms | 240 |
Heterogen Atoms | 6 |
Software
Software | |
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Software Name | Purpose |
MAR345 | data collection |
SCALEPACK | data scaling |
AMoRE | phasing |
CNS | refinement |