X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Details PROTEIN WAS CRYSTALLIZED BY HANGING DROP METHOD. PROTEIN SOLUTION: 13 MG/ML IN 20 MM TRIS/HCL WELL SOLUTION: 1.8 M AS, 100 MM TRIS/HCL, PH 8.5 PROTEIN:WELL 1:1, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 175.6 α = 90
b = 175.6 β = 90
c = 175.6 γ = 90
Symmetry
Space Group I 41 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAC Science DIP-2000 MIRROR 1996-03-05
Diffraction Radiation
Monochromator Protocol
NI --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.5 20 97.4 -- 0.145 -- 9.4 -- 15816 -- 2.0 --
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)
2.5 2.54 94.7 -- 0.291 2.9 -- --

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 2.5 10.0 -- 2.0 -- 15152 1006 94.9 -- 0.198 0.198 0.285 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 2.5 2.61 -- 104 1760 0.291 0.389 0.038 88.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 14.3
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 2.006
x_bond_d 0.019
x_mcbond_it 1.33
x_mcangle_it 1.17
x_scbond_it 1.33
x_angle_deg 2.154
x_scangle_it 1.17
x_dihedral_angle_d 28.93
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1788
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 74

Software

Software
Software Name Purpose
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing version: 3.1