4ZFP
A new crystal structure for the adduct formed in the reaction between AuSac2, a cytotoxic homoleptic gold(I) compound with the saccharinate ligand, and the model protein hen egg white lysozyme
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.4 | 298 | Best crystals grow within 2 days from the following conditions: 0.6 M NaNO3, 0.1 M sodium acetate pH 4.4 and 20 % ethylene glycol. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.95 | 36.87 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 77.584 | α = 90 |
b = 77.584 | β = 90 |
c = 37.111 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 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 | RIGAKU SATURN 944+ | 2014-02-06 | 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 | 1.96 | 54.86 | 97.9 | 0.068 | 23.7 | 4.2 | 8416 |
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 | 1.96 | 1.99 | 92.1 | 0.647 | 2.6 |
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 | 4J1A | 1.96 | 54.86 | 7942 | 386 | 97.22 | 0.17282 | 0.16974 | 0.23501 | RANDOM | 30.831 |
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] | |
-0.87 | -0.87 | 1.73 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.285 |
r_dihedral_angle_4_deg | 22.046 |
r_dihedral_angle_3_deg | 14.065 |
r_long_range_B_refined | 6.605 |
r_dihedral_angle_1_deg | 6.348 |
r_long_range_B_other | 6.273 |
r_scangle_other | 4.506 |
r_scbond_it | 2.983 |
r_mcangle_other | 2.933 |
r_mcangle_it | 2.929 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1001 |
Nucleic Acid Atoms | |
Solvent Atoms | 123 |
Heterogen Atoms | 31 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
REFMAC | phasing |