X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.8
Temperature 298.0
Details 8-10 mg/mL glycogenin, 0.7 to 1.2 M ammonium sulphate, and 100 mM sodium phosphate buffer pH 6.6 to 6.9, pH 6.8, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.13 α = 90
b = 104.83 β = 90
c = 120.63 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 108
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-06-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12B -- NSLS X12B

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
1.9 30 99.0 0.062 -- -- -- 29958 29664 0.0 0.0 --
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)
1.9 1.97 92.9 0.559 -- 2.4 -- 29807

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 1.9 30.0 -- 0.0 29958 29664 1487 99.0 0.211 0.211 0.21 0.248 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.8
Anisotropic B[1][1] -18.635
Anisotropic B[2][2] 8.668
Anisotropic B[3][3] 9.967
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_scangle_it 0.0
c_improper_angle_d 0.73
c_mcangle_it 0.0
c_dihedral_angle_d 23.42
c_angle_deg 1.19
c_scbond_it 0.0
c_mcbond_it 0.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.38
Luzzati Sigma A (Observed) 0.52
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.55
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2072
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 245

Software

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