X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 17% PEG 4000, NA CACODYLATE, PH 6.5, AND 100 MM B-OCTYL-GLUCOPYRANOSIDE.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88 α = 90
b = 42.2 β = 109.3
c = 93 γ = 90
Symmetry
Space Group P 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-09
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
2.9 20 95.0 0.101 -- -- 2.4 -- 13176 -- -- --
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)
2.9 3.0 97.4 0.389 -- 2.0 2.4 --

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
SINGLE ISOMORPHOUS REPLACEMENT AND MOLECULAR REPLACEMENT 3.0 15.0 -- 2.0 -- 11286 -- 91.3 -- 0.222 0.222 0.279 --
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 3.0 3.14 -- -- 1037 0.282 0.381 -- 86.7
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 49.5
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.018
x_angle_deg 2.808
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2934
Nucleic Acid Atoms 0
Heterogen Atoms 154
Solvent Atoms 43

Software

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