X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 0.1 M HEPES PH 6 TO 7, 0.2 M AMMONIUM ACETATE, 20 TO 30 % PEG 3350

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.66 α = 90
b = 56.82 β = 90
c = 60.24 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
CCD (MX-225) MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.1 -- BESSY 14.1

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
2.7 38.32 99.3 0.1 -- -- 3.5 -- 4960 -- 2.0 52.1
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)
2.7 2.77 100.0 0.64 -- 2.3 3.6 --

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 2.7 38.318 -- 1.99 -- 4959 271 99.28 -- 0.2242 0.22 0.2958 --
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 2.7002 3.4017 -- 142 2288 0.2461 0.3686 -- 100.0
X Ray Diffraction 3.4017 38.3221 -- 129 2400 0.2094 0.2649 -- 99.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 50.0
Anisotropic B[1][1] -10.6555
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 21.8371
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -11.1816
RMS Deviations
Key Refinement Restraint Deviation
f_plane_restr 0.009
f_chiral_restr 0.09
f_dihedral_angle_d 17.933
f_angle_d 1.753
f_bond_d 0.017
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1208
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 9

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
PHASER Structure Solution
PHENIX (PHENIX.REFINE) Structure Refinement
Software
Software Name Purpose
PHENIX version: (PHENIX.REFINE) refinement
PHASER model building