X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.1
Temperature 295.0
Details PEG 4000, lithium sulfate, manganese sulfate, phosphoenolpyruvate, phenylalanine, bis-tris-propane, pH 8.1, VAPOR DIFFUSION, HANGING DROP at 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 290.1 α = 90
b = 90.1 β = 120.77
c = 155.8 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2000-08-15
Diffraction Radiation
Monochromator Protocol
Sagitally focused Si(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.97165 NSLS X4A

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
2.8 20 99.3 0.076 -- -- 6.8 84564 84546 0.0 0.0 38.6
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)
2.8 2.9 98.7 0.313 -- 5.3 6.5 --

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
MAD 2.8 20.0 -- 0.0 84546 84545 2598 100.0 0.219 0.219 0.218 0.246 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Anisotropic
Anisotropic B[1][1] 3.34
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -5.4
Anisotropic B[2][2] -11.657
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 8.317
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 21411
Nucleic Acid Atoms 0
Heterogen Atoms 264
Solvent Atoms 0

Software

Software
Software Name Purpose
MLPHARE phasing
DM model building
CNS refinement
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
CCP4 data scaling version: (TRUNCATE)
DM phasing
CNS phasing