X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 298.0
Details ammonium sulphate, PEG 8000, Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.94 α = 90
b = 107.6 β = 97.94
c = 85.08 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 1995-05-16
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1

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
2.04 15 95.2 0.053 -- -- 9.6 79612 79612 0.0 0.0 26.1
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)
2.04 2.11 81.1 0.209 -- -- -- 6674

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
-- 2.04 15.0 0.0 0.0 78548 78548 7119 95.2 0.241 0.241 0.194 0.246 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 2.04 2.11 -- 591 6083 0.256 0.299 0.012 81.1
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.8
Anisotropic B[1][1] 4.4813
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.0958
Anisotropic B[2][2] -11.0017
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.5204
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.08
x_scbond_it 9.696
x_bond_d 0.014
x_dihedral_angle_d 25.1
x_scangle_it 11.285
x_mcbond_it 2.955
x_mcangle_it 3.986
x_angle_deg 1.85
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 25.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7205
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 481

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
X-PLOR model building
X-PLOR refinement version: 3.851
X-PLOR phasing