4LZC
W325F Epi-isozizaene synthase: Complex with Mg, inorganic pyrophosphate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3KB9 | PDBID: 3KB9 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 298 | a 4 uL drop of protein solution [8 mg/mL W325F EIZS, 20 mM Tris-HCl (pH 7.5), 300 mM NaCl, 10 mM MgCl2, 10% glycerol, 1 mM TCEP, 2 mM sodium pyrophosphate, 2 mM benzyltriethylammonium chloride (BTAC)] was added to a 4 uL drop of precipitant solution [100 mM Bis-Tris (pH 5.5), 25-28% polyethylene glycol 3350, 0.2 M (NH4)2SO4] and equilibrated against a 1 mL reservoir of precipitant solution at 298K, VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.15 | 42.92 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.183 | α = 90 |
b = 47.07 | β = 95.79 |
c = 75.585 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | ADSC QUANTUM 315 | Kirpatrick Baez focusing mirrors | 2010-06-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-C | 0.9795 | APS | 24-ID-C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.457 | 50 | 99.9 | 0.148 | 0.148 | 7.551 | 3.6 | 13755 | -3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.46 | 2.55 | 99.9 | 0.427 | 0.427 | 3.021 | 3.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDBID: 3KB9 | 2.457 | 45.487 | 1.36 | 13755 | 13741 | 1374 | 99.57 | 0.1819 | 0.1869 | 0.1819 | 0.2312 | random |
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 | 11.614 |
f_angle_d | 0.575 |
f_chiral_restr | 0.043 |
f_bond_d | 0.002 |
f_plane_restr | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2770 |
Nucleic Acid Atoms | |
Solvent Atoms | 47 |
Heterogen Atoms | 17 |
Software
Software | |
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Software Name | Purpose |
APS-24IDC | data collection |
PHASES | phasing |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |