1W5Z
AGAO covalent complex with Benzylhydrazine
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | AGAO CRYSTALS WERE GROWN IN ABOUT 2 WEEKS BY HANGING-DROP VAPOR DIFFUSION AT 293K. THE RESERVOIR WAS 1.0-1.5M (NH4)2SO4, 2MM CUSO4, 0.15M NA CITRATE, PH 6.0-7.5. THE DROPS WERE 1.5MICROL OF 11.7 MG/ML PROTEIN, 0.05M HEPES, PH 7.0, PLUS 1.5MICROL OF RESERVOIR SOLUTION. A CRYSTAL WAS CRYOPROTECTED BY GRADUAL INCREMENTAL SOAKING IN RESERVOIR SOLUTION MIXED WITH GLYCEROL. THE CONCENTRATION OF GLYCEROL WAS INCREASED FROM 0 TO 30% IN 2-3% INCREMENTS DURING 2 HOURS. FOLLOWING CRYOPROTECTION, THE CRYSTAL WAS SOAKED FOR 15 MINUTES IN CRYOPROTECTANT WITH THE ADDITION OF 2 MILLIMOLAR BENZYLHYDRAZINE DIHYDROCHLORIDE (SIGMA). THE CRYSTAL WAS THEN FROZEN IN THE CRYOSTREAM. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3 | 59 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 158.126 | α = 90 |
b = 62.665 | β = 112.07 |
c = 92.283 | γ = 90 |
Symmetry | |
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Space Group | C 1 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 | 100 | CCD | MARRESEARCH | OSMIC MIRRORS | 2003-03-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.86 | 29.86 | 94.2 | 0.06 | 9.46 | 3.033 | 65983 | -3 | 25.31 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
1 | 1.86 | 1.93 | 83 | 0.41 | 2.13 | 2.69 |
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 1AV4 | 1.86 | 29.85 | 62669 | 3312 | 94.2 | 0.154 | 0.152 | 0.187 | RANDOM | 18.11 |
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] | |
-1.14 | 1 | 1.23 | 0.66 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_1_deg | 6.491 |
r_scangle_it | 6.49 |
r_scbond_it | 4.631 |
r_mcangle_it | 3.23 |
r_mcbond_it | 2.164 |
r_angle_refined_deg | 1.465 |
r_angle_other_deg | 0.828 |
r_symmetry_vdw_other | 0.315 |
r_nbd_other | 0.249 |
r_nbd_refined | 0.2 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4877 |
Nucleic Acid Atoms | |
Solvent Atoms | 503 |
Heterogen Atoms | 47 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |