X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Details 10 MG/ML PROTEIN IN 50 MM TRIS BUFFER PH 7.5-8 EQUILIBRATED AGAINST 50-55% AMMONIUM SULFATE USING HANGING DROP VAPOR DIFFUSION METHOD., pH 8.0, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.74 α = 90
b = 50.74 β = 90
c = 107.65 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU COLLIMATOR 1995-11-05
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
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
1.85 10 97.0 -- 0.078 -- 4.59 -- 12318 -- 0.0 --
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)
1.85 1.92 94.7 -- 0.363 2.15 3.82 --

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 1.85 10.0 -- 2.0 -- 12308 572 97.0 -- 0.191 0.191 0.245 RANDOM, UP TO 2.0 A
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.0
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.32
x_scbond_it 2.19
x_mcangle_it 2.32
x_mcbond_it 2.19
x_improper_angle_d 1.46
x_bond_d 0.014
x_angle_deg 1.74
x_dihedral_angle_d 27.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1150
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 116

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
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
SCALEPACK data reduction
DENZO data collection