5K8F
Crystal structure of Acetyl-CoA Synthetase in complex with ATP and Acetyl-AMP from Cryptococcus neoformans H99
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 5IFI |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.2 | 289 | ACETYL COA SYNTHETASE FROM CRYPTOCOCCUS NEOFORMANS (CRNEC.00629.A.FS11.PD00402) AT 10MG/ ML (IN 10 MM TRIS, PH = 7.5, 20 MM NACL) WAS SET UP IN SPARSE CRYSTALLIZATION TRIALS AT 16C. 1MM ATP AND 1MM MGCL2 WERE ADDED TO THE PROTEIN SOLUTION AND INCUBATED FOR 5 MINUTES BEFORE SETTING UP TRIALS. CRYSTALS WERE PRODUCED BY SITTING DROP VAPOR DIFFUSION WITH AN EQUAL VOLUME COMBINATION OF THE PROTEIN/LIGAND IN WIZARD 1 AND 2 SCREEN CONDITION E8 (10% W/V PEG8,000, 0.1M NA/K PHOSPHATE PH6.2) AND CRYO-PROTECTED IN 20% ETHYLENE GLYCOL. CRYSTAL ID 271854A7 GJX4-8 APS21-ID-G), PH 6.20, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 289K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.37 | 48.07 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 71.37 | α = 110.06 |
b = 83.92 | β = 105.24 |
c = 101.57 | γ = 87.65 |
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 | 2016-04-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.978560 | APS | 21-ID-G |
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 | 2.45 | 50 | 98.5 | 0.076 | 0.088 | 0.998 | 14.19 | 4 | 77299 | -3 | 37.68 |
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 | 2.45 | 2.51 | 97.8 | 0.517 | 0.597 | 0.861 | 2.56 |
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 | 5IFI | 2.45 | 26.62 | 1.98 | 77206 | 1997 | 98.59 | 0.1889 | 0.1879 | 0.2242 | 52.7124 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 12.702 |
f_angle_d | 0.467 |
f_chiral_restr | 0.042 |
f_plane_restr | 0.004 |
f_bond_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 14907 |
Nucleic Acid Atoms | |
Solvent Atoms | 377 |
Heterogen Atoms | 216 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
XSCALE | data scaling |
PHASER | phasing |