X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details PROTEIN WAS CRYSTALLIZED FROM 1.1 M AMMONIUM SULPHATE, 90MM SODIUM CITRATE/CITRIC ACID, PH=6.0, 90 MM BIS-TRIS PROPANE, 0.9 MM EDTA, 0.9 MM DTT, 0.9 MM SODIUM AZIDE, pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 32.97 α = 90
b = 42.37 β = 90
c = 49.61 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- MARRESEARCH IMAGING PLATE MIRROR 1999-08-15
Diffraction Radiation
Monochromator Protocol
M SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 -- EMBL/DESY, HAMBURG X31

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
1.98 8 87.4 0.119 -- -- 2.3 -- 3987 -- 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)
1.98 2.07 75.0 0.09 -- -- -- --

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 1.98 8.0 -- 2.0 -- 4415 -- 82.5 -- 0.245 0.245 0.265 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 1.98 2.07 -- -- -- -- -- -- 75.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.167
x_bond_d 0.008
x_angle_deg 1.382
x_dihedral_angle_d 27.443
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 477
Nucleic Acid Atoms 0
Heterogen Atoms 17
Solvent Atoms 58

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
AMORE model building