X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Floating Drop
pH 8.3
Temperature 293.0
Details 0.1M imidazole pH8.3, 0.5M (NH4)2SO4, 0.7M Li2SO4, 0.05M Li(AcO)2, 1% ethylene glycol, vapor diffusion, floating drop, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 187.71 α = 90
b = 170.07 β = 117.28
c = 110.68 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2009-10-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-5A 1.00 PHOTON FACTORY BL-5A

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
3.15 50 99.5 0.138 -- -- 4.6 55721 52457 0.0 0.0 66.4
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)
3.15 3.26 98.8 0.496 -- 2.9 4.5 5246

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
MOLECULAR REPLACEMENT 3.15 19.97 -- 0.0 -- 52452 2644 99.1 -- 0.231 0.231 0.292 RANDOM
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 3.15 3.35 -- 404 7967 0.305 0.365 0.018 94.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model OVERALL
Mean Isotropic B 70.5
Anisotropic B[1][1] 14.65
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -18.01
Anisotropic B[2][2] -2.36
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -12.29
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.96
c_bond_d 0.009
c_angle_deg 1.5
c_dihedral_angle_d 26.1
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.38
Luzzati Sigma A (Observed) 0.53
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.52
Luzzati Sigma A (R-Free Set) 0.67
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 16229
Nucleic Acid Atoms 0
Heterogen Atoms 84
Solvent Atoms 0

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
PHASER Structure Solution
CNS 1.3 Structure Refinement
Software
Software Name Purpose
CNS version: 1.3 refinement
PHASER model building
ADSC version: Quantum data collection