X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.2
Temperature 293.0
Details THE PROTEIN WAS CRYSTALLIZED WITH 3.0M AMMONIUM SULFATE, PH7.2 AT 20C., temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.07 α = 90
b = 54.07 β = 90
c = 91.72 γ = 120
Symmetry
Space Group P 31

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH SLITS 1995-07
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-21 -- -- --

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
2.2 15 86.0 0.048 -- -- 1.8 -- 13544 -- 2.0 40.4
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)
2.2 2.34 55.6 0.29 -- -- -- --

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 2.2 10.0 -- 2.0 -- 11179 1148 74.2 -- 0.192 0.192 0.28 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 2.2 2.34 -- 153 1239 0.293 0.364 0.029 55.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.5
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 7.07
x_scbond_it 4.69
x_mcangle_it 4.41
x_mcbond_it 2.84
x_improper_angle_d 1.25
x_bond_d 0.008
x_angle_deg 1.4
x_dihedral_angle_d 23.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.35
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.37
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1908
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 41

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XDS Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.843 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.843 refinement
AMORE model building