X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.5
Temperature 293.0
Details PEG3350, Sodium Acetate, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 93.24 α = 90
b = 92.55 β = 90.37
c = 49.18 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
CCD SBC-2 -- 1999-12-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-ID

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
1.85 19.73 98.7 0.055 -- -- 3.9 71171 70251 0.0 0.0 33.0
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)
1.85 1.92 91.1 0.398 -- -- 4.0 6415

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
IR 1.85 20.0 0.0 0.0 71171 70251 3578 98.7 0.197 0.197 0.1828 0.2158 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 1.85 1.92 -- 313 5918 0.2548 0.2782 -- 88.08
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.782
Anisotropic B[1][1] 1.049
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.132
Anisotropic B[2][2] 2.962
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.012
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.508
c_dihedral_angle_d 22.863
c_bond_d 0.00988
c_mcbond_it 1.559
c_scbond_it 2.441
c_scangle_it 3.486
c_mcangle_it 2.21
c_improper_angle_d 0.978
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6573
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 630

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing