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_improper_angle_d 1.22
c_dihedral_angle_d 25.4
c_angle_d 2.1
c_bond_d 0.017
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.48
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5496
Nucleic Acid Atoms 0
Heterogen Atoms 122
Solvent Atoms 56

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
AMORE model building
SCALEPACK data reduction
DENZO data collection