1F36
THE CRYSTAL STRUCTURE OF FIS MUTANT K36E REVEALS THAT THE TRANSACTIVATION REGION OF THE FIS PROTEIN CONTAINS EXTENDED MOBILE BETA-HAIRPIN ARMS
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.2 | CRYSTALS GROWN BY HANGING DROP VAPOR DIFFUSION FROM A SOLUTION OF 20 MG/ML PROTEIN, 500 MM NACL, 10 MM TRIS-HCL, PH 8.2, 2 M NAFORMATE, AGAINST 4 M NAFORMATE AS THE RESERVOIR, vapor diffusion - hanging drop |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.56 | 52 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 51.9 | α = 90 |
b = 51.9 | β = 90 |
c = 294.93 | γ = 120 |
Symmetry | |
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Space Group | P 65 2 2 |
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 | 298 | IMAGE PLATE | RIGAKU RAXIS II | Y | 1996-07-16 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH3R |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.65 | 50 | 93 | 0.069 | 0.069 | 11.1 | 7139 | 54.6 |
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) | |||||||||||
2.65 | 2.75 | 55.6 | 0.301 | 1.63 | 2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | ORTHORHOMBIC CRYSTAL FORM OF THE LYS36-GLU FIS STRUCTURE | 2.65 | 8 | 1 | 6577 | 526 | 90.6 | 0.222 | 0.222 | 0.277 | RANDOM | 42.1 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 23.72 |
x_improper_angle_d | 2.13 |
x_angle_deg | 1.143 |
x_bond_d | 0.011 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1416 |
Nucleic Acid Atoms | |
Solvent Atoms | 22 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
AMoRE | phasing |
X-PLOR | refinement |
MSC | data reduction |
MSC | data scaling |