6CBU
Crystal structure of C4S3: A computationally designed immunogen to target Carbohydrate-Occluded Epitopes on the HIV envelope
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2W4C | 2W4C Human common-type acylphosphatase variant, A99 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | 30% PEG 3350, 200 mM Bis-tris, pH 6.5, 200 mM LiSO4 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.16 | 43.17 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 26.069 | α = 90 |
b = 57.606 | β = 90 |
c = 62.94 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | MARMOSAIC 225 mm CCD | 2016-12-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 0.97817 | APS | 22-ID |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.2 | 50 | 98.4 | 0.056 | 0.059 | 0.016 | 18.9 | 14.1 | 30098 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.2 | 1.22 | 96.7 | 0.13 | 0.135 | 0.036 | 0.996 | 13.9 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2W4C Human common-type acylphosphatase variant, A99 | 1.2 | 42.49 | 28610 | 1444 | 98.31 | 0.1435 | 0.143 | 0.14 | 0.1532 | 0.15 | RANDOM | 8.508 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.752 |
r_sphericity_free | 16.344 |
r_dihedral_angle_4_deg | 11.894 |
r_dihedral_angle_3_deg | 10.509 |
r_dihedral_angle_1_deg | 6.201 |
r_sphericity_bonded | 3.712 |
r_rigid_bond_restr | 1.84 |
r_angle_other_deg | 1.693 |
r_angle_refined_deg | 1.198 |
r_chiral_restr | 0.082 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 771 |
Nucleic Acid Atoms | |
Solvent Atoms | 100 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data scaling |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
PHASER | phasing |