X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Details CRYSTALS WERE GROWN FROM AN AMMONIUM SULFATE SOLUTION AT PH 8.5, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.13 α = 90
b = 76.13 β = 90
c = 40.4 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 291
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE WEISSENBERG -- 1994-07-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A -- PHOTON FACTORY BL-6A

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
1.6 20 89.1 0.072 -- -- 1.0 -- 16166 -- 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 1.6 6.0 -- 1.0 -- 15014 -- 85.2 -- -- 0.182 -- --
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 15.0
p_staggered_tor 18.9
p_planar_tor 2.4
p_xyhbond_nbd 0.223
p_multtor_nbd 0.226
p_bond_d 0.015
p_angle_d 0.037
p_planar_d 0.044
p_mcbond_it 1.131
p_mcangle_it 1.696
p_scbond_it 2.267
p_scangle_it 3.481
p_plane_restr 0.014
p_chiral_restr 0.141
p_singtor_nbd 0.176
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 821
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 145

Software

Computing
Computing Package Purpose
WEIS Data Reduction (intensity integration)
PROTEIN Data Reduction (data scaling)
AUTOMR Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
AUTOMR model building