X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.8
Temperature 293.0
Details 50 mM of KH2PO4, 24.2% PEG 8000, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.6 α = 90
b = 66.6 β = 90
c = 266.92 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD -- 2010-04-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-BM 1 APS 22-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
2.6 50 68.2 -- -- -- -- -- 13406 1.0 1.0 --

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 2.601 23.473 -- 1.33 -- 13402 659 68.98 0.26 0.2572 0.2551 0.2988 --
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 2.601 2.8014 -- 22 380 0.3566 0.5101 -- 11.0
X Ray Diffraction 2.8014 3.0827 -- 87 1490 0.3476 0.3464 -- 42.0
X Ray Diffraction 3.0827 3.5275 -- 180 3335 0.3115 0.3605 -- 91.0
X Ray Diffraction 3.5275 4.4394 -- 179 3675 0.2504 0.2788 -- 99.0
X Ray Diffraction 4.4394 23.4735 -- 191 3863 0.2203 0.2735 -- 98.0
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -33.1835
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -33.1835
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -15.7071
RMS Deviations
Key Refinement Restraint Deviation
f_bond_d 0.004
f_dihedral_angle_d 15.461
f_plane_restr 0.003
f_angle_d 0.883
f_chiral_restr 0.055
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3278
Nucleic Acid Atoms 0
Heterogen Atoms 112
Solvent Atoms 0

Software

Software
Software Name Purpose
SERGUI data collection
PHASER phasing
PHENIX refinement version: (phenix.refine: 1.6.4_486)
HKL-2000 data reduction
HKL-2000 data scaling