2OLY
Structure of human insulin in presence of urea at pH 7.0
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 291 | 2.5M NaCl, 4M urea, 100mM phosphate buffer, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.44 | 49.53 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 100.24 | α = 90 |
b = 60.15 | β = 116.21 |
c = 62.92 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | 2006-01-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | MAX II BEAMLINE I911-3 | 1.1 | MAX II | I911-3 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 50 | 92.1 | 0.034 | 13.75 | 2.1 | 37140 | 34195 | 29.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.75 | 63.8 | 0.169 | 4 | 1.8 | 3059 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | insulin hexamer R6 conformation | 1.7 | 19.57 | 32471 | 1715 | 92.33 | 0.18558 | 0.18361 | 0.22122 | RANDOM | 27.228 |
Anisotropic B[2][2] | Anisotropic B[3][3] |
---|---|
0.01 | -0.01 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.496 |
r_dihedral_angle_3_deg | 11.085 |
r_dihedral_angle_1_deg | 5.692 |
r_dihedral_angle_4_deg | 4.78 |
r_scangle_it | 3.259 |
r_scbond_it | 2.213 |
r_mcangle_it | 1.527 |
r_angle_refined_deg | 1.256 |
r_mcbond_it | 0.933 |
r_nbtor_refined | 0.307 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2332 |
Nucleic Acid Atoms | |
Solvent Atoms | 235 |
Heterogen Atoms | 105 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data scaling |
XDS | data reduction |
XSCALE | data scaling |
MOLREP | phasing |