X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Temperature 293.0
Details 3-8% PEG 3350, 300 MM KCL, 100 MM TRIS-HCL, PH 8.0, 5 MM MGCL2, 5 MM GDCL3, 2 MM DTT, 2 MM AMP-PNP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 116.33 α = 90
b = 116.33 β = 90
c = 40.24 γ = 120
Symmetry
Space Group P 6

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU GRAPHITE MONOCHROMATOR, 0.3 MM COLLIMATOR 1997-08
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.75 50 98.4 0.052 0.052 -- 4.2 -- 31212 -- -3.0 20.1
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)
1.75 1.83 91.6 0.26 0.26 -- 1.8 --

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
SIRAS 1.75 50.0 -- 0.0 -- 29919 2984 94.3 -- 0.199 0.199 0.223 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 1.75 1.83 -- 312 2762 0.255 0.276 0.016 78.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 28.7
Anisotropic B[1][1] -2.8
Anisotropic B[1][2] -1.1
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.8
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.5
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.73
c_scbond_it 2.52
c_mcangle_it 2.18
c_mcbond_it 1.46
c_improper_angle_d 0.75
c_bond_d 0.005
c_angle_deg 1.3
c_dihedral_angle_d 20.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1929
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 271

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
DM, MLPHARE Structure Solution
CNS 0.3 Structure Refinement
Software
Software Name Purpose
CNS version: 0.3 refinement
MLPHARE model building
DM model building