1BA3
FIREFLY LUCIFERASE IN COMPLEX WITH BROMOFORM
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1LCI |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | microbatch under oil | 7.8 | 283 | 2 MICROLITRE OF LUCIFERASE (20 MG/ML) IN 0.2M AMMONIUM SULFATE, 0.001M EDTA, 0.001M DTT, 10% GLYCEROL, 25% ETHYLENE GLYCOL, 0.025M TRIS-HCL PH7.8 + 2 MICROLITRE 0.5M LITHIUM SULFATE, 26% PEG 8000, 0.1M TRIS-HCL PH7.8 AT 10 DEGREES CELSIUS IN MICROBATCH UNDER OIL., microbatch under oil, temperature 283K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.8 | 56 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 119.56 | α = 90 |
b = 119.56 | β = 90 |
c = 95.8 | γ = 90 |
Symmetry | |
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Space Group | P 41 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 | IMAGE PLATE | MARRESEARCH | MIRRORS | 1997-01-19 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX9.5 | SRS | PX9.5 |
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 | 2.2 | 18.4 | 98.2 | 0.071 | 0.071 | 6.9 | 3.13 | 35038 |
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) | ||||||||||
2.2 | 2.35 | 97.9 | 0.235 | 0.235 | 3.1 | 3.1 |
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 | 1LCI | 2.2 | 18.4 | 35006 | 1737 | 97.9 | 0.197 | 0.197 | 0.239 | RANDOM | 29.9 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 23.3 |
x_scangle_it | 4.83 |
x_scbond_it | 3.54 |
x_mcangle_it | 3.42 |
x_mcbond_it | 2.26 |
x_angle_deg | 1.51 |
x_improper_angle_d | 1.1 |
x_bond_d | 0.007 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4130 |
Nucleic Acid Atoms | |
Solvent Atoms | 353 |
Heterogen Atoms | 8 |
Software
Software | |
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Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
MOSFLM | data reduction |
CCP4 | data scaling |
X-PLOR | phasing |