X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details AMMONIUM SULFATE, pH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 98.6 α = 90
b = 51 β = 90
c = 51.2 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1995
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.2 -- 75.0 -- 0.067 -- -- -- 11579 -- 0.0 --
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)
2.1 2.4 39.0 -- -- -- -- --

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 2.2 15.0 -- 3.0 -- 7591 -- 75.0 -- -- 0.156 0.204 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 10.3
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 19.6
p_staggered_tor 22.5
p_planar_tor 1.1
p_xyhbond_nbd 0.365
p_multtor_nbd 0.305
p_bond_d 0.008
p_angle_d 1.1
p_planar_d 0.019
p_mcbond_it 0.263
p_mcangle_it 0.472
p_scbond_it 0.197
p_scangle_it 0.356
p_plane_restr 0.005
p_chiral_restr 0.115
p_singtor_nbd 0.204
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2305
Nucleic Acid Atoms 0
Heterogen Atoms 47
Solvent Atoms 263

Software

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