7MG1
Concanavalin A crystallized without DNA glycoconjugate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1JBC |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 295 | Sitting drop comprising 1 uL of Concanavalin A (32 uM) + 1 uL crystallization condition (Helix screen, condition H3: 0.1 M potassium chloride, 0.005 M barium chloride dihydrate, 0.05 M bis-Tris (pH 7), 12% w/v PEG 8000). Reservoir contained 70 uL of crystallization condition. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.27 | 45.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 61.19 | α = 90 |
b = 85.18 | β = 90 |
c = 89.25 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 2 |
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 | CCD | RAYONIX MX-300 | 2020-07-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.9786 | APS | 21-ID-G |
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 | 61.62 | 92.2 | 0.112 | 3.199 | 7.12 | 14120 |
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) | |||||||||||
1 | 2 | 2.11 | 82.4 | 0.44 | 6.26 |
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 | 1JBC | 2 | 61.62 | 14120 | 770 | 92.2 | 0.206 | 0.203 | 0.262 | RANDOM | 22.22 |
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] | |
1.34 | -0.09 | -1.25 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.196 |
r_dihedral_angle_4_deg | 19.982 |
r_dihedral_angle_3_deg | 11.817 |
r_dihedral_angle_1_deg | 8.776 |
r_long_range_B_refined | 4.534 |
r_long_range_B_other | 4.458 |
r_scangle_other | 2.814 |
r_mcangle_it | 2.396 |
r_mcangle_other | 2.396 |
r_scbond_it | 1.84 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1753 |
Nucleic Acid Atoms | |
Solvent Atoms | 161 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
iMOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |