X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 291.0
Details 2M SODIUM CHLORIDE, 0.1M MES BUFFER AND 0.05M SODIUM/POTASSIUM PHOSPATE, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.92 α = 90
b = 48.92 β = 90
c = 78.52 γ = 120
Symmetry
Space Group P 32

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV YALE/MSC 1996-09-01
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R -- -- --

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
2.3 999 100.0 0.042 -- -- -- -- n/a -- -- --

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 2.4 23.0 -- 0.0 -- -- -- 100.0 0.218 0.218 0.218 0.249 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.8
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.01
x_dihedral_angle_d 24.7
x_angle_deg 1.4
x_bond_d 0.005
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1116
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 43

Software

Computing
Computing Package Purpose
BIOTEX Data Reduction (intensity integration)
HKL (SCALEPACK) Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
AMORE model building
HKL/SCALEPACK data reduction
BIOTEX data collection