1EV6
Structure of the monoclinic form of the M-cresol/insulin R6 hexamer
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | SLOW COOLING | 6.5 | 298 | 30 mg insulin, 3.0 ml 0.02 M HCl, 0.3 ml 0.15 M Zinc Acetate, 1.5 ml 0.2 M Sodium Citrate, 1.2 ml 5% m-Cresol in ethanol, pH 6.5, SLOW COOLING, temperature 298.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.4 | 48.64 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 61.247 | α = 90 |
b = 61.739 | β = 111.32 |
c = 47.467 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | IMAGE PLATE | RIGAKU RAXIS IV | OSMIC CONFOCAL MIRRORS | 2000-01-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 |
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 | 1.8 | 20.95 | 92.6 | 0.039 | 40.6 | 6.15 | 28441 | 28441 | 30.6 |
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) | |||||||||||
1.89 | 1.94 | 92.6 | 0.287 | 5.4 | 2.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | THROUGHOUT | 1.9 | 20.95 | 25127 | 25127 | 2490 | 96.3 | 0.195 | 0.195 | 0.195 | 0.235 | random | 33.7 |
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] | |
-0.84 | 1.98 | -5.09 | 5.93 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 20.8 |
c_scangle_it | 3.82 |
c_mcangle_it | 2.74 |
c_scbond_it | 2.59 |
c_mcbond_it | 1.86 |
c_angle_deg | 1.38 |
c_improper_angle_d | 0.86 |
c_bond_d | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2408 |
Nucleic Acid Atoms | |
Solvent Atoms | 240 |
Heterogen Atoms | 69 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | refinement |
CNS | phasing |