X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
Temperature 293.0
Details Sodium Chloride, Calcium Chloride, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.11 α = 90
b = 75.11 β = 90
c = 50.03 γ = 120
Symmetry
Space Group P 31

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 2000-06-05
Diffraction Radiation
Monochromator Protocol
YALE MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 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
2.2 37.56 91.4 -- 0.051 -- 2.46 14677 36081 0.0 0.0 24.9
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)
2.2 2.28 60.0 -- 0.309 2.63 -- 973

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 2.2 37.56 -- 0.0 14677 14618 1487 91.2 -- 0.227 0.227 0.258 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 2.2 2.34 -- 175 1539 0.331 0.358 0.027 65.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 40.4
Anisotropic B[1][1] -6.33
Anisotropic B[1][2] -0.31
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -6.33
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 12.66
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.23
c_scbond_it 1.62
c_mcangle_it 1.7
c_mcbond_it 1.05
c_improper_angle_d 0.85
c_bond_d 0.015
c_angle_deg 1.3
c_dihedral_angle_d 22.8
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1874
Nucleic Acid Atoms 0
Heterogen Atoms 76
Solvent Atoms 137

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
AMoRE model building
SCALEPACK data reduction
DENZO data collection