4F4T
Human Insulin
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 293 | 2 uL 0.1 M sodium phosphate, pH 5.5, 10% w/v PEG6000 + 2 uL 100 U/mL human insulin (Humulin R, lot # A 505073), cryoprotectant: mother liquor + 10% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.87 | 34.24 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 81.86 | α = 90 |
b = 81.86 | β = 90 |
c = 33.75 | γ = 120 |
Symmetry | |
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Space Group | H 3 |
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 | MARMOSAIC 225 mm CCD | 2010-10-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS BEAMLINE W01B-MX2 | 1.45860 | LNLS | W01B-MX2 |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.637 | 24.443 | 99.8 | 0.064 | 12.1 | 3 | 10366 | 10366 |
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) | ||||||||||
1 | 1.637 | 1.73 | 100 | 0.206 | 0.206 | 3.1 | 2.5 | 1504 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.637 | 24.443 | 10366 | 498 | 99.79 | 0.1724 | 0.1703 | 0.2136 | RANDOM | 15.5645 |
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] | |
0.23 | 0.12 | 0.23 | -0.35 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.077 |
r_dihedral_angle_3_deg | 12.089 |
r_dihedral_angle_4_deg | 10.388 |
r_dihedral_angle_1_deg | 6.521 |
r_scangle_it | 4.121 |
r_scbond_it | 2.558 |
r_mcangle_it | 1.686 |
r_angle_refined_deg | 1.44 |
r_mcbond_it | 0.948 |
r_chiral_restr | 0.136 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 805 |
Nucleic Acid Atoms | |
Solvent Atoms | 102 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MAR345dtb | data collection |