4FKA
High resolution structure of the manganese derivative of insulin
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.4 | 291 | The protein solution consisted of 7.5 mg mL-1 of zinc-free insulin in 0.02 mol L-1 hydrochloric acid. The reservoir solution was at pH 6.4 containing 1mM sodium citrate, volume fraction of aceton 10 % ,9 mmol L-1 manganese(II) sulphate monohydrate and redistilled water, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.86 | 33.94 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 81.7 | α = 90 |
b = 81.7 | β = 90 |
c = 33.73 | γ = 120 |
Symmetry | |
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Space Group | H 3 |
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 | MARRESEARCH | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ELETTRA BEAMLINE 5.2R | 1 | ELETTRA | 5.2R |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 10.48 | 96.7 | 0.089 | 0.089 | 11 | 2.7 | 43875 |
Refinement
Statistics | |||||||||||||||||||
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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 | pdb entry 3EXX | 1.08 | 10.28 | 33568 | 1770 | 98.16 | 0.16114 | 0.15939 | 0.19447 | RANDOM | 8.583 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.01 | -0.01 | -0.01 | 0.02 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.271 |
r_sphericity_free | 32.994 |
r_dihedral_angle_3_deg | 11.804 |
r_sphericity_bonded | 10.263 |
r_dihedral_angle_4_deg | 8.663 |
r_rigid_bond_restr | 8.047 |
r_dihedral_angle_1_deg | 6.986 |
r_angle_refined_deg | 2.42 |
r_angle_other_deg | 1.313 |
r_chiral_restr | 0.159 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 810 |
Nucleic Acid Atoms | |
Solvent Atoms | 190 |
Heterogen Atoms | 3 |
Software
Software | |
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Software Name | Purpose |
AMoRE | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |