X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 277.16
Details PEG 8000, Bis-Tris 6.5, DTT, Tungstate, VAPOR DIFFUSION, HANGING DROP, temperature 277.16K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62.21 α = 90
b = 62.21 β = 90
c = 54.11 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 2001-10-23
Diffraction Radiation
Monochromator Protocol
Yale Mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --

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 20 99.5 -- -- -- -- -- 8015 1.0 1.0 35.2
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)
2.0 2.07 99.2 -- -- -- -- --

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 2.0 18.0 -- 1.5 8468 6719 720 81.9 -- -- 0.232 0.289 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 2.0 2.13 -- 52 483 0.268 0.315 0.044 38.9
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 41.0
Anisotropic B[1][1] -1.35
Anisotropic B[1][2] 3.27
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.71
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.463
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.17
Luzzati Resolution Cutoff (Low) 18.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 903
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 63

Software

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