X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7
Details 0.1M HEPES BUFFER (pH 7.0), 2% PEG 400, 2.0M AMMONIUM SULFATE., VAPOR DIFFUSION

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.99 α = 90
b = 75.56 β = 90
c = 89.9 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-07-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LNLS BEAMLINE D03B-MX1 -- LNLS D03B-MX1

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
2.45 12 98.9 0.077 -- -- 3.26 -- 13134 -- 1.0 --

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 2.45 12.0 -- 2.0 -- 24189 -- 99.1 -- 0.161 0.161 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.52
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.306
x_dihedral_angle_d 27.04
x_bond_d 0.009
x_angle_deg 1.608
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2437
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 143

Software

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