X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 27 % PEG 4000, 1.5 % 1,2,3-HEPTANETRIOL 0.2 M AMMONIUM ACETATE, 0.1 M SODIUM CITRATE PH 5.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.64 α = 90
b = 118.15 β = 94.33
c = 80.88 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
-- -- -- 1999-03-15
Diffraction Radiation
Monochromator Protocol
MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU/MSC RU-H3R -- -- --

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
2.6 40 99.0 -- 0.094 -- 3.1 -- 340923 -- -- --
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)
2.59 2.65 97.5 -- 0.263 2.0 2.5 --

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 2.6 39.0 -- 0.1 -- 34384 1332 96.9 -- 0.199 0.199 0.252 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 2.6 2.69 -- -- 3093 0.275 -- -- 90.57
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.03
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.862
c_bond_d 0.0074
c_angle_deg 1.33
c_dihedral_angle_d 22.62
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.33
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.38
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7934
Nucleic Acid Atoms 0
Heterogen Atoms 42
Solvent Atoms 356

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS 1.0 Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS version: 1.0 model building