X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details pH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.38 α = 90
b = 73.38 β = 90
c = 141.28 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1994-01-11
CCD -- -- 1994-05-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE -- 1.5418 -- --
SYNCHROTRON CHESS BEAMLINE A1 0.978 CHESS A1

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 93.0 0.043 -- -- 3.0 -- 8374 -- 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
-- 2.5 6.0 -- 2.0 -- 6857 -- 95.0 -- 0.187 0.187 0.235 --
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 6.75
x_bond_d 0.014
x_angle_deg 2.43
x_dihedral_angle_d 29.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 750
Nucleic Acid Atoms 380
Heterogen Atoms 0
Solvent Atoms 35

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement