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 = 52.6 α = 90
b = 52.6 β = 90
c = 140.26 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 X11 -- EMBL/DESY, Hamburg X11

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
1.9 10 98.9 0.42 -- -- 4.4 -- 16098 -- -- 21.7
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)
1.9 1.92 98.0 0.32 -- 1.6 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 1.9 12.0 -- -- 16098 16098 805 98.9 0.215 0.215 0.212 0.27 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.6
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.015
p_singtor_nbd 0.18
p_staggered_tor 19.46
p_planar_tor 2.34
p_multtor_nbd 0.26
p_planar_d 0.045
p_angle_d 0.047
p_chiral_restr 0.17
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 12.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1101
Nucleic Acid Atoms 0
Heterogen Atoms 41
Solvent Atoms 155

Software

Software
Software Name Purpose
AMoRE phasing
PROLSQ refinement
DENZO data reduction
SCALEPACK data scaling