X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.4
Temperature 277.0
Details 49% (NH4)2SO4, 0.1M NAOAC PH 5.4, 18MM 2-MERCAPTOETHANOL, AT 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.03 α = 90
b = 86.03 β = 90
c = 144.8 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1995-11
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
1.9 -- -- -- -- -- -- -- 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
-- 2.07 10.0 -- 2.0 -- 34127 3402 80.7 -- 0.158 0.158 0.211 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 2.07 2.16 -- 360 3163 0.218 0.248 -- 75.1
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.3
RMS Deviations
Key Refinement Restraint Deviation
x_dihedral_angle_d 24.3
x_bond_d 0.013
x_improper_angle_d 1.11
x_angle_deg 2.89
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3915
Nucleic Acid Atoms 0
Heterogen Atoms 82
Solvent Atoms 318

Software

Computing
Computing Package Purpose
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 model building
X-PLOR version: 3.1 refinement