3H01
Structure of the C-terminal Domain of a Putative HIV-1 gp41 Fusion Intermediate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3GWO | PDB ENTRY 3GWO |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 295 | 2.8M 1,6-hexanediol, 0.1M sodium citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.33 | 47.15 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 33.967 | α = 90 |
b = 33.967 | β = 90 |
c = 191.331 | γ = 120 |
Symmetry | |
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Space Group | P 31 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 | CCD | ADSC QUANTUM 4 | 2004-03-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X4A | 0.9795 | NSLS | X4A |
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 | 1.7 | 29.41 | 98.9 | 0.061 | 16.2 | 5.3 | 14906 | 14906 | 20.8 |
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 | 1.7 | 1.76 | 98.8 | 0.142 | 10.5 | 4.5 | 1422 |
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 | THROUGHOUT | PDB ENTRY 3GWO | 1.7 | 29.41 | 14906 | 14906 | 752 | 98.9 | 0.20647 | 0.20647 | 0.20528 | 0.22805 | RANDOM | 23.359 |
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] | |
0.33 | 0.16 | 0.33 | -0.49 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 29.16 |
r_dihedral_angle_4_deg | 20.524 |
r_dihedral_angle_3_deg | 12.421 |
r_scangle_it | 3.766 |
r_dihedral_angle_1_deg | 3.363 |
r_scbond_it | 2.764 |
r_mcangle_it | 1.536 |
r_angle_refined_deg | 1.34 |
r_mcbond_it | 0.972 |
r_nbtor_refined | 0.303 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 862 |
Nucleic Acid Atoms | |
Solvent Atoms | 78 |
Heterogen Atoms | 64 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
MOLREP | phasing |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |