X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 30% (W/V) PEG 4000, 1% MPD, TRIS BUFFER, PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.6 α = 90
b = 94.1 β = 101
c = 67.4 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS MIRRORS 1990-10
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
2.8 20 96.1 0.104 -- -- 2.3 -- 14677 -- 0.0 19.0
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)
2.8 3.0 95.4 0.147 -- -- 2.0 --

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 2.8 8.0 -- 2.0 -- 10355 1035 96.0 -- 0.204 0.204 0.326 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 2.8 2.93 -- 127 1121 0.29 0.42 -- 90.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 20.0
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.0
x_scbond_it 2.0
x_mcangle_it 2.0
x_mcbond_it 1.5
x_improper_angle_d 1.4
x_bond_d 0.008
x_angle_deg 1.7
x_dihedral_angle_d 28.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Resolution Cutoff (Low) 8.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3126
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 34

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
X-PLOR 3.0 Structure Solution
X-PLOR 3.0 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.0 refinement
X-PLOR version: 3.0 model building
XSCALE data reduction
XDS data collection