X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 60-70% AMMONIUM SULFATE, 100MM TRIS-HCL, PH=7.0.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.61 α = 90
b = 52.61 β = 90
c = 138.34 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-08
Diffraction Radiation
Monochromator Protocol
-- --
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
1.96 10 99.0 0.44 -- -- 4.8 -- 13307 -- -- 17.5
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)
1.96 1.98 97.0 0.33 -- 1.7 2.5 --

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 2.0 10.0 -- -- 16098 16098 805 98.9 0.201 0.2 0.21 0.25 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.8
RMS Deviations
Key Refinement Restraint Deviation
p_staggered_tor 18.33
p_planar_tor 2.28
p_multtor_nbd 0.254
p_bond_d 0.014
p_angle_d 0.045
p_planar_d 0.043
p_chiral_restr 0.16
p_singtor_nbd 0.18
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1101
Nucleic Acid Atoms 0
Heterogen Atoms 51
Solvent Atoms 125

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
AMORE model building