X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 277.0
Details 30%PEG 8000, 0.2M Ammonium Sulfate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.61 α = 90
b = 54.02 β = 90
c = 95.07 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV Mirrors 1999-10-05
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
1.7 25 96.3 0.074 0.08 -- 4.94 120968 28825 0.0 -3.0 23.6
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)
1.69 1.71 95.1 0.273 0.252 6.8 4.9 1031

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 1.7 25.0 -3.0 0.0 29936 28825 1471 96.3 -- 0.193 0.193 0.218 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 1.7 1.76 2618 141 4360 0.293 0.323 0.019 94.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 24.2
Anisotropic B[1][1] 0.55
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.1
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.65
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.48
c_scangle_it 4.28
c_bond_d 0.0056
c_scbond_it 2.87
c_angle_deg 1.22
c_improper_angle_d 0.68
c_dihedral_angle_d 25.7
c_mcbond_it 1.67
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.1
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1488
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 299

Software

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