X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details 100 mM Hepes buffer, 22% (v/v) PEG 4K, 5% (v/v) isopropanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.75 α = 90
b = 60.36 β = 94.43
c = 65.87 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-03-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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 20 93.9 0.062 -- -- 5.5 20385 20385 0.0 0.0 15.4
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)
1.98 2.07 77.7 0.22 -- -- 1.5 2093

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
-- 1.99 7.99 0.0 0.0 20385 19858 1022 93.5 0.2 0.196 0.196 0.265 EVERY NTH
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 1.0 1.05 -- -- 0 0.265 -- -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 16.3
Anisotropic B[1][1] 5.49
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.13
Anisotropic B[2][2] -1.56
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.93
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.57
c_bond_d 0.025
c_dihedral_angle_d 26.2
c_angle_deg 2.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.11
Luzzati Sigma A (Observed) -0.04
Luzzati Resolution Cutoff (Low) 8.0
Luzzati ESD (R-Free Set) 0.16
Luzzati Sigma A (R-Free Set) 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2630
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 250

Software

Software
Software Name Purpose
CNS refinement
MAR345 data collection
SCALEPACK data scaling
CNS phasing