3LGN
Crystal structure of IsdI in complex with heme
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2ZDP | PDB ENTRY 2ZDP |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 277 | 25% polyethylene glycol 3350, 0.2M MgCl2, 0.1M Bis-Tris buffer pH 5.5, and flash frozen with a cryoprotectant of 10% ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.59 | 52.57 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 58.24 | α = 90 |
b = 66.78 | β = 90 |
c = 69.43 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | DCM with cryo-cooled 1st crystal sagittally bent 2nd crystal followed by vertically focusing mirror. | 2008-11-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CLSI BEAMLINE 08ID-1 | 0.97934 | CLSI | 08ID-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.5 | 69.43 | 99.8 | 0.077 | 6.8 | 43991 | 43991 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | THROUGHOUT | PDB ENTRY 2ZDP | 1.5 | 44.62 | 44056 | 43931 | 2217 | 99.71 | 0.213 | 0.183 | 0.181 | 0.214 | RANDOM | 21.709 |
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] | |
-0.92 | 0.33 | 0.59 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.619 |
r_dihedral_angle_3_deg | 11.337 |
r_dihedral_angle_4_deg | 8.829 |
r_dihedral_angle_1_deg | 5.879 |
r_scangle_it | 2.97 |
r_scbond_it | 1.939 |
r_mcangle_it | 1.368 |
r_angle_refined_deg | 1.118 |
r_rigid_bond_restr | 0.935 |
r_mcbond_it | 0.759 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1884 |
Nucleic Acid Atoms | |
Solvent Atoms | 281 |
Heterogen Atoms | 91 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |