X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details CRYSTALLIZATION CONDITIONS: 65 % SATURATING (NH4)2SO4, 100 MM TRIS, 10 MM MGCL2, 1 MM ZNCL2, 0.1 MM NH4VO3, PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 195.41 α = 90
b = 167.81 β = 90
c = 76.52 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SDMS -- 1997-05
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
1.95 26.42 94.6 0.064 -- -- 2.8 -- 93722 -- 0.0 26.46
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)
1.9 2.05 85.3 0.39 -- 0.92 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 1.9 8.0 -- 2.0 -- 86796 3 98.4 -- -- 0.177 0.196 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.13
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 2.0
x_bond_d 0.019
x_angle_deg 2.1
x_dihedral_angle_d 24.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Resolution Cutoff (Low) 8.0
Luzzati ESD (R-Free Set) 0.275
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6618
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 945

Software

Computing
Computing Package Purpose
SDMS Data Reduction (intensity integration)
SDMS Data Reduction (data scaling)
X-PLOR 3.1 (MSI) Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
MOLECULAR version: SIMULATIONS model building
XPLOR version: 3.1 model building
SDMS data reduction
SDMS data collection