X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch Under Oil
pH 7.8
Temperature 283.0
Details 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. CRYOPROTECTANT SOLUTION: 8% PEG 8000, 10% GLYCEROL, 12.5% ETHYLENE GLYCOL, 0.1M TRIS-HCL PH7.8, microbatch under oil, temperature 283K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 119.53 α = 90
b = 119.53 β = 90
c = 94.68 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 300 mm plate -- 1995-06-10
Diffraction Radiation
Monochromator Protocol
Y --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, HAMBURG BW7B

Data Collection

Overall
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
2 10 96.5 0.044 -- -- 3.6 -- 45322 -- -- --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.0 2.11 97.3 0.186 -- 4.0 3.3 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MIR 2.0 10.0 -- 0.0 -- 45041 -- 96.5 -- 0.224 0.224 0.265 --
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.0 2.09 -- -- 5483 0.288 0.311 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.9
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.2
x_bond_d 0.01
x_angle_deg 1.6
x_dihedral_angle_d 23.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3967
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 365

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building