3M48
GCN4 Leucine Zipper Peptide Mutant
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3I1G |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 4.6 | 298 | 8 mg/ml leucine zipper peptide, 0.1M sodium acetate, 0.2M calcium chloride, 20% v/v 2-propanol, pH 4.6, VAPOR DIFFUSION, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.08 | 40.88 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 31.275 | α = 90 |
b = 31.275 | β = 90 |
c = 57.507 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 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 | 95 | CCD | ADSC QUANTUM 315 | Double silicon (111) crystal monochromator | 2005-03-31 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X25 | 1.000 | NSLS | X25 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.45 | 25 | 96.9 | 0.058 | 32.3 | 9.2 | 5721 | 3 | 2 | 20.59 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1.45 | 1.48 | 71.9 | 0.342 | 2.1 | 3.1 | 399 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation 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 | THROUGHOUT | 3I1G | 1.451 | 25 | 3 | 5721 | 293 | 93.02 | 0.2101 | 0.2094 | 0.225 | random | 20.29 |
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] | |
-0.9787 | -0.9787 | 1.9574 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 15.325 |
f_angle_d | 0.917 |
f_chiral_restr | 0.045 |
f_bond_d | 0.006 |
f_plane_restr | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 238 |
Nucleic Acid Atoms | |
Solvent Atoms | 20 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
PHASER | phasing |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |