X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.6
Temperature 278.0
Details PEG 6000, LITHIUM SULPHATE, SODIUM CITRATE, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 278K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 142.88 α = 90
b = 142.88 β = 90
c = 111.31 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 2000-12-22
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R 1.5418 -- --

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
1.4 1.85 99.6 -- 0.064 -- 5.1 34328 34328 0.0 -3.0 18.3
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)
1.85 1.92 98.7 -- 0.326 3.2 -- 3405

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 1.9 71.44 -- 0.0 34328 33734 2008 98.0 0.198 0.198 0.194 0.242 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 1.9 2.02 -- 324 4993 0.248 0.285 0.016 93.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 39.0
Anisotropic B[1][1] -2.03
Anisotropic B[1][2] 0.52
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.06
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 6.21
c_scbond_it 4.45
c_mcangle_it 3.63
c_mcbond_it 2.91
c_improper_angle_d 0.93
c_dihedral_angle_d 19.5
c_angle_deg 1.3
c_bond_d 0.009
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2750
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 406

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
MLPHARE model building