2XDA
STRUCTURE OF HELICOBACTER PYLORI TYPE II DEHYDROQUINASE IN COMPLEX WITH INHIBITOR COMPOUND (4R,6R,7S)-2-(2-Cyclopropyl)ethyl-4,6,7- trihydroxy-4,5,6,7-tetrahydrobenzo(b)thiophene-4-carboxylic acid
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2C4V | PDB ENTRY 2C4V |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 6.2 | 50 MM TRIS-HCL PH 7.5 1 MM 2-MERCAPTOETHANOL 1 MM ETHYLENEDIAMINETETRAACETIC ACID 200 MM SODIUM CHLORIDE 12.5 MM (4R, 6R, 7S)- 2-(2-CYCLOPROPYL)ETHYL-4,6,7-TRIHYDROXY-4,5,6, 7-TETRAHYDROBENZO[B]THIOPHENE-4-CARBOXYLIC ACID 32% (W/V) POLYETHYLENEGLYCOL 4000 100 M SODIUM CITRATE PH 6.2 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 45 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 99.64 | α = 90 |
b = 99.64 | β = 90 |
c = 99.64 | γ = 90 |
Symmetry | |
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Space Group | P 42 3 2 |
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 CCD | 2009-12-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | ESRF | ID23-1 |
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 | 1.85 | 40 | 99.8 | 0.1 | 4.9 | 38.9 | 14986 | 19.7 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.85 | 1.95 | 100 | 0.32 | 2.4 | 39.9 |
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 2C4V | 1.85 | 15 | 14163 | 770 | 99.83 | 0.18187 | 0.18032 | 0.20981 | RANDOM | 19.598 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.759 |
r_dihedral_angle_3_deg | 14.994 |
r_dihedral_angle_4_deg | 6.368 |
r_dihedral_angle_1_deg | 5.784 |
r_scangle_it | 3.608 |
r_scbond_it | 2.239 |
r_mcangle_it | 1.934 |
r_angle_refined_deg | 1.374 |
r_mcbond_it | 1.087 |
r_angle_other_deg | 0.886 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1153 |
Nucleic Acid Atoms | |
Solvent Atoms | 110 |
Heterogen Atoms | 20 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |