X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.6
Temperature 278.0
Details 15-36 % (v/v) n-propanol, 0.1 M Tris/HCl, pH 8.6, VAPOR DIFFUSION, HANGING DROP, temperature 278K
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 278.0
Details 12-45 % (v/v) MPD, 100 mM sodium citrate, 100 mM Hepes , pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 278K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 89.06 α = 90
b = 46.63 β = 120.86
c = 84.3 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH mirrors 1999-06-15
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --

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
2.3 40 -- -- 0.056 -- -- 13473 12973 -- -- 12.7
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)
2.3 2.38 91.5 -- 0.056 5.9 -- --

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
isomorphous replacement 2.3 10.0 -- -- 12973 12797 1320 96.7 -- 0.154 0.154 0.203 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 2.3 2.44 -- 231 1818 0.172 0.23 0.015 94.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 15.4
Anisotropic B[1][1] 0.07
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.22
Anisotropic B[2][2] 2.78
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.85
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.09
c_scangle_it 1.52
c_angle_deg 1.1
c_dihedral_angle_d 22.7
c_mcbond_it 0.69
c_scbond_it 1.11
c_bond_d 0.005
c_improper_angle_d 0.68
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.13
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2338
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 288

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement version: 0.9