1Z1G
Crystal structure of a lambda integrase tetramer bound to a Holliday junction
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | PEG 8000, bis-tris-propane, di-ammonium hydrogen phosphate, glycerol, DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.96 | 71 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 109.759 | α = 90 |
b = 109.759 | β = 90 |
c = 265.971 | γ = 120 |
Symmetry | |
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Space Group | P 31 |
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 | ADSC QUANTUM 4 | 2003-07-15 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X25 | 0.9793,0.9795,0.9709 | NSLS | X25 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 4.4 | 45 | 99.7 | 22852 | 22783 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 4.4 | 4.56 | 100 |
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MIRAS | THROUGHOUT | 4.4 | 20 | 22525 | 21338 | 1146 | 99.96 | 0.24683 | 0.24444 | 0.29207 | RANDOM | 108.297 |
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] | |
-1.63 | -0.81 | -1.63 | 2.44 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_1_deg | 5.46 |
r_angle_refined_deg | 2.831 |
r_symmetry_hbond_refined | 0.498 |
r_symmetry_vdw_refined | 0.368 |
r_nbd_refined | 0.331 |
r_xyhbond_nbd_refined | 0.278 |
r_chiral_restr | 0.165 |
r_bond_refined_d | 0.025 |
r_gen_planes_refined | 0.003 |
r_bond_other_d |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 10790 |
Nucleic Acid Atoms | 4366 |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
CCP4 | data scaling |
SHARP | phasing |