4HO1
The Crystal structure of Haemophilus influenzae O-acetylserine sulfhydrylase at 1.85A resolution
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1Y7L | PDB ENTRY 1Y7L |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 292 | 0.2M Magnesium chloride,0.1M tris HCL pH 8.5, 30% w/v PEG 4000 , VAPOR DIFFUSION, SITTING DROP, temperature 292K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.19 | 43.77 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 112.786 | α = 90 |
b = 112.786 | β = 90 |
c = 46.297 | γ = 90 |
Symmetry | |
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Space Group | I 41 |
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 | IMAGE PLATE | MAR scanner 345 mm plate | 2010-04-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.5418 |
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 | 1.856 | 79.75 | 97.7 | 0.044 | 34.81 | 7.4 | 24841 | 24451 | 2 | 2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1Y7L | 1.856 | 35.67 | 23198 | 23221 | 1211 | 98.41 | 0.14076 | 0.13952 | 0.16311 | RANDOM | 32.322 |
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] | |
-8.95 | -8.95 | 17.91 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.467 |
r_dihedral_angle_4_deg | 16.643 |
r_dihedral_angle_3_deg | 14.961 |
r_dihedral_angle_1_deg | 6.219 |
r_scangle_it | 4.841 |
r_scbond_it | 3.22 |
r_angle_refined_deg | 2 |
r_mcangle_it | 1.893 |
r_mcbond_it | 1.186 |
r_angle_other_deg | 0.986 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2286 |
Nucleic Acid Atoms | |
Solvent Atoms | 135 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |