X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details potassium/sodium tartarate, potassium phosphate, 2-mercaptoethanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 82.75 α = 90
b = 82.75 β = 90
c = 59.33 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II mirrors 2002-10-16
Diffraction Radiation
Monochromator Protocol
MSC Confocal 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
1.95 71.7 94.9 0.0654 -- -- 5.59 17885 16966 0.0 0.0 23.4
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)
1.95 2.0 95.8 0.366 -- 1.63 3.87 1226

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 1.95 45.7 -- 0.0 17477 16953 856 97.0 0.201 0.192 0.192 0.253 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 1.95 2.07 2790 156 2634 0.297 0.336 0.027 96.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 44.3
Anisotropic B[1][1] -1.49
Anisotropic B[1][2] 1.73
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.49
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.97
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 9.22
c_mcbond_it 5.16
c_angle_deg 1.7
c_improper_angle_d 1.17
c_mcangle_it 6.06
c_dihedral_angle_d 24.1
c_scbond_it 7.33
c_bond_d 0.014
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.31
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1732
Nucleic Acid Atoms 0
Heterogen Atoms 56
Solvent Atoms 196

Software

Software
Software Name Purpose
CNS refinement version: 1.0
bioteX data reduction
bioteX data scaling
AMoRE phasing