6CK0
Crystal Structure of Biotin Acetyl Coenzyme A Carboxylase Synthetase from Helicobacter pylori with bound Biotinylated ATP
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4 | 290 | HepyC.19466.a.B1.PS38345 at 23.36 mg/ml was incubated with 6 mM MgCl2, ATP, and biotin, then mixed 1:1 with JCSG+(b1): 0.1 M sodium citrate tribasic/ citric acid, pH=4.0, 0.8 M ammonium sulfate. Crystal cryoprotected with 25% ethylene glycol. Tray: 295125b1, puck: xga0-9 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.64 | 53.44 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 52.89 | α = 122.14 |
b = 57.08 | β = 94.73 |
c = 57.03 | γ = 107.85 |
Symmetry | |
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Space Group | P 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 | MARMOSAIC 300 mm CCD | Beryllium Lenses | 2017-11-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.97872 | APS | 21-ID-F |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | 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 | 2.25 | 47.95 | 97.1 | 0.048 | 0.055 | 0.999 | 18.29 | 3.92 | 23767 | 36.37 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.25 | 2.31 | 89.4 | 0.452 | 0.523 | 0.937 | 3.43 | 3.958 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3L1A | 2.25 | 47.95 | 1.96 | 23747 | 1978 | 97.71 | 0.1752 | 0.1711 | 0.2207 | 42.3463 |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3229 |
Nucleic Acid Atoms | |
Solvent Atoms | 116 |
Heterogen Atoms | 128 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
XSCALE | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
MR-Rosetta | phasing |