X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 24% PEG 3000, 200 MM SODIUM ACETATE, 100 MM TRIS/HCL PH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.2 α = 90
b = 98.52 β = 90.64
c = 44.58 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-06
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, HAMBURG X11

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
1.8 20 100.0 0.048 0.048 -- 7.2 -- 28127 -- -3.0 --
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)
1.8 1.88 100.0 0.059 0.059 29.9 4.8 --

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
MAD 1.8 8.0 -- 0.0 -- 27813 2112 100.0 -- 0.174 0.174 0.24 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 1.8 1.88 -- 252 3208 0.22 0.249 0.016 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 12.6
RMS Deviations
Key Refinement Restraint Deviation
x_scbond_it 2.2
x_mcbond_it 1.4
x_improper_angle_d 1.24
x_bond_d 0.009
x_angle_deg 1.4
x_dihedral_angle_d 24.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2797
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 350

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
X-PLOR 3.2 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.2 refinement
MLPHARE model building
SCALEPACK data reduction
DENZO data collection