X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 298.0
Details 100mM sodium acetate, 20mM ammonium sulphate, 30%Peg-MME 2000, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 33.13 α = 90
b = 57.23 β = 91.94
c = 38.65 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-04-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
1.97 30 95.4 0.117 -- -- 3.3 32201 9670 0.0 -2.0 12.2
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)
1.97 2.07 59.6 0.371 -- -- 1.9 607

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
-- 1.97 28.66 0.0 0.0 9658 9658 999 96.3 -- -- 0.197 0.24 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 1.97 2.09 -- 114 991 0.359 0.388 0.036 64.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 16.3
Anisotropic B[1][1] -1.03
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.44
Anisotropic B[2][2] 0.12
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.9
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 3.16
c_dihedral_angle_d 23.8
c_bond_d 0.009
c_scangle_it 4.48
c_mcbond_it 1.83
c_angle_deg 1.3
c_mcangle_it 2.52
c_improper_angle_d 0.92
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1228
Nucleic Acid Atoms 0
Heterogen Atoms 56
Solvent Atoms 96

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 1.0