X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.25
Details pH 6.25

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.34 α = 90
b = 139.46 β = 135.78
c = 91.65 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1998-04
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, Hamburg BW7B

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
2.9 20 86.0 0.091 -- -- 4.5 -- 20286 -- 2.0 75.4
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)
2.9 3.0 66.0 0.191 -- 3.1 -- --

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 2.96 12.5 -- 2.0 -- 17709 1676 86.0 -- 0.252 0.252 0.304 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 56.1
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.98
c_bond_d 0.008
c_dihedral_angle_d 24.3
c_angle_deg 1.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.51
Luzzati Sigma A (Observed) 0.53
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.64
Luzzati Sigma A (R-Free Set) 0.81
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5302
Nucleic Acid Atoms 64
Heterogen Atoms 2
Solvent Atoms 36

Software

Software
Software Name Purpose
CNS refinement version: 0.4
XDS data reduction
XSCALE data scaling
CNS phasing version: 0.4