5CNY
Crystal Structure of human zinc insulin at pH 5.5
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 293 | 2 mcL protein (6 mg/mL) + 2 mcL well (0.1 M Na2HPO4 pH 5.5, 10 % m/v PEG 6,000) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.87 | 34.05 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 81.76 | α = 90 |
b = 81.76 | β = 90 |
c = 33.738 | 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 | OXFORD TITAN CCD | 2012-09-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SEALED TUBE | OXFORD DIFFRACTION ENHANCE ULTRA | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | 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 | 13.63 | 93.1 | 0.038 | 0.028 | 0.971 | 11.7 | 2 | 8621 | 8205 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.7 | 1.73 | 99.4 | 0.197 | 0.197 | 0.817 | 2.6 | 1.3 | 517 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.7 | 13.63 | 8205 | 414 | 93.11 | 0.1577 | 0.1549 | 0.2133 | RANDOM | 17.83 |
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] | |
1.07 | 1.07 | -2.14 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.428 |
r_sphericity_free | 24.131 |
r_dihedral_angle_4_deg | 18.727 |
r_dihedral_angle_3_deg | 15.102 |
r_sphericity_bonded | 6.696 |
r_dihedral_angle_1_deg | 6.368 |
r_rigid_bond_restr | 5.78 |
r_angle_refined_deg | 1.827 |
r_angle_other_deg | 0.925 |
r_chiral_restr | 0.117 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 808 |
Nucleic Acid Atoms | |
Solvent Atoms | 88 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
CrysalisPro | data collection |
Aimless | data scaling |
REFMAC | phasing |
PDB_EXTRACT | data extraction |
CrysalisPro | data reduction |
REFMAC | refinement |