X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 2.0M AMMONIUM SULFATE, 20% GLYCEROL, HEPES PH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.8 α = 90
b = 103.81 β = 90
c = 186.36 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 1999-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X13 -- EMBL/DESY, Hamburg X13

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
1.99 50 92.8 0.091 -- -- 2.8 -- 197360 -- 0.0 10.2
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)
1.99 2.06 71.2 0.559 -- 2.1 1.5 --

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 1.99 47.87 -- 0.0 -- 70231 1442 93.3 -- 0.187 0.187 0.225 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.99 2.11 -- 214 9537 0.249 0.307 0.021 79.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 22.3
Anisotropic B[1][1] 2.33
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.27
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.6
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.5
c_scbond_it 2.26
c_dihedral_angle_d 23.7
c_mcangle_it 2.07
c_angle_deg 1.5
c_improper_angle_d 0.95
c_bond_d 0.01
c_scangle_it 2.87
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.27
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7819
Nucleic Acid Atoms 0
Heterogen Atoms 92
Solvent Atoms 933

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
CNS phasing