X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 37.0
Details NaCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 37K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.89 α = 90
b = 84.89 β = 90
c = 195.74 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-11-10
IMAGE PLATE RIGAKU RAXIS IV Osma Mirror 2001-11-20
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --
SYNCHROTRON APS BEAMLINE 19-BM 1.000 APS 19-BM

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 20 99.0 0.08 0.093 -- 26.0 28880 28880 0.0 -3.0 33.6
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 98.2 -- -- -- -- --

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
MIR 2.2 19.96 -- 1.0 22016 19644 987 89.4 -- 0.24 0.24 0.285 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 -- 126 2386 0.328 0.396 0.035 70.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 51.1
Anisotropic B[1][1] 4.87
Anisotropic B[1][2] 5.92
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.87
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.74
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008
c_dihedral_angle_d 19.7
c_improper_angle_d 0.76
c_angle_deg 1.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.37
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.52
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2104
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 117

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing