X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details VAPOUR DIFFUSION IN SITTING DROPS OF 15 MG/ML PROTEIN AND 0.2% C8E4, 0.05%LDAO AGAINST 0.8M LI2SO4, 1.6% PEG8000 AND 20% GLYCEROL, pH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 103.82 α = 90
b = 103.82 β = 90
c = 76.59 γ = 120
Symmetry
Space Group P 31

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-10-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID13 -- ESRF ID13

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
2.65 46 97.0 0.119 -- -- 4.4 -- 26026 -- 0.0 58.2
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)
2.65 2.79 86.0 0.434 -- 1.4 1.6 --

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 2.65 46.0 -- 0.0 -- 24704 1322 97.0 -- 0.2015 0.2015 0.2353 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 2.65 2.74 -- 130 2165 0.3089 0.3146 0.0275 84.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 56.0
Anisotropic B[1][1] -4.454
Anisotropic B[1][2] -8.526
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -4.454
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 8.907
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.81
c_scbond_it 2.39
c_mcangle_it 3.13
c_mcbond_it 1.78
c_improper_angle_d 0.88
c_bond_d 0.008
c_angle_deg 1.3
c_dihedral_angle_d 19.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.42
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.46
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5212
Nucleic Acid Atoms 0
Heterogen Atoms 540
Solvent Atoms 40

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
AMORE model building