X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.4
Details PROTEIN WAS CRYSTALLIZED FROM 8% PEG 8000 WITH 0.1 M TRIS/HCL PH 8.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.39 α = 90
b = 79.13 β = 102.07
c = 60.94 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
IMAGE PLATE MARRESEARCH MIRRORS 1997-09-15
Diffraction Radiation
Monochromator Protocol
LURE MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
1.8 10 97.5 0.063 0.063 -- 2.4 -- 47899 -- 1.5 --
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)
1.8 1.83 81.9 0.42 0.42 2.3 2.2 --

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 1.8 10.0 -- 2.0 -- 36060 1626 97.3 -- 0.202 0.202 0.244 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 1.8 1.83 -- 42 792 0.1774 0.2763 -- 81.9
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.78
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.4
x_bond_d 0.007
x_dihedral_angle_d 25.5
x_improper_angle_d 1.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3518
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 295

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
X-PLOR refinement version: 3.843