1JKR
Testing the Water-Mediated HIN Recombinase DNA Recognition by Systematic Mutations
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1IJW |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | HANGING DROP VAPOR DIFFUSION AT 4C, WITH INITIAL CONCENTRATION IN DROP OF 0.10 MM DNA, 0.06 MM HIN, 10 MM TRIS (PH 8.5), 10 MM CACL2, 23 MM NACL, 2.5% V/V PEG400, AND 1.56 MM NA CACODYLATE. RESERVOIR SOLUTION CONTAINS 100 MM TRIS (PH 8.5), 100 MM CACL2, 100 MM NACL, AND 25% PEG400. CONCENTRATION OF PEG400 IN RESERVOIR SOLUTION WAS INCREASED IN 5% INCREMENTS TO 35%., pH 8.50, VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.76 | 53.78 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 86.087 | α = 90 |
b = 82.708 | β = 90 |
c = 44.865 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
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 | 1997-08-01 | M | MOLECULAR REPLACEMENT WITH 1IJW HAVING THE PROPER DNA SUBSTITUTIONS AS THE STARTING MODEL. |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CHESS BEAMLINE A1 | CHESS | A1 |
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 | 2.28 | 24.8 | 93.23 | 0.89 | 15.68 | 17 | 7102 | 69 |
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) | |||||||||||
2.28 | 2.38 | 72.14 | 0.252 | 2.49 | 2.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution 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 | 1IJW | 2.28 | 24.8 | 7102 | 707 | 93.23 | 0.2687 | 0.2687 | 0.3245 | RANDOM | 60.2 |
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] | |
15.107 | 2.251 | -17.359 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 19.44 |
c_scangle_it | 15.66 |
c_scbond_it | 11.62 |
c_mcangle_it | 11.44 |
c_mcbond_it | 8.51 |
c_improper_angle_d | 1.882 |
c_angle_deg | 1.72 |
c_bond_d | 0.013 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 353 |
Nucleic Acid Atoms | 576 |
Solvent Atoms | 2 |
Heterogen Atoms | 8 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |