X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Details 100MM PHOSPHATE (PH7.4) 2.4M AMMONIUM SULFATE 1.25% PEG400, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.7 α = 90
b = 43.7 β = 90
c = 280.5 γ = 90
Symmetry
Space Group P 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 275
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS MIRRORS 1993-04
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-20 -- -- --

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
2.6 30 91.5 -- 0.055 -- 4.6 -- 8889 -- 2.0 --
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)
2.6 2.72 76.7 -- 0.112 5.8 2.8 --

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 2.6 30.0 -- 3.0 -- 8707 438 94.6 -- -- 0.162 0.233 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 2.6 2.72 -- 58 798 0.162 0.196 -- 77.3
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 39.1
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.1
x_bond_d 0.008
x_angle_deg 1.241
x_dihedral_angle_d 25.82
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1944
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 83

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
AMORE model building
CCP4 data reduction
XDS data collection