X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.8
Temperature 298.0
Details ammonium sulfate, magnesium chloride, pH 6.8, VAPOR DIFFUSION, HANGING DROP at 298 K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.3 α = 90
b = 102.18 β = 90
c = 124.22 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.984 NSLS X9B

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
2.85 30 98.7 0.049 -- -- 4.0 -- 29997 -- -- --
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)
2.85 2.95 99.3 0.527 -- -- 3.8 2969

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 2.85 15.0 -- 2.0 30205 29269 1166 96.9 -- -- 0.233 0.309 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Anisotropic B[1][1] -1.61
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.4
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.017
c_angle_d 2.1
c_dihedral_angle_d 25.4
c_improper_angle_d 1.22
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.48
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5498
Nucleic Acid Atoms 0
Heterogen Atoms 122
Solvent Atoms 56

Software

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