X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 291.0
Details 2.4 M ammonium sulfate, 0.1 M Tris, pH 7.5 , VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 29.88 α = 90
b = 44.06 β = 90
c = 66.62 γ = 90
Symmetry
Space Group P 2 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2010-03-14
Diffraction Radiation
Monochromator Protocol
Double crystal, Si(111) or Si(311) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 1.0665 ESRF ID14-4

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
1.3 27.26 99.7 0.064 -- -- 6.6 -- 22243 0.0 0.0 --
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)
1.3 1.37 100.0 0.296 -- 5.6 6.7 3170

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
AB INITIO PHASING 1.3 27.263 -- 1.39 0 22198 1121 99.52 -- 0.1532 0.1514 0.188 RANDOM
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 1.3 1.3592 -- 142 2561 0.2338 0.2784 -- 100.0
X Ray Diffraction 1.3592 1.4308 -- 151 2599 0.1552 0.2072 -- 100.0
X Ray Diffraction 1.4308 1.5205 -- 148 2602 0.117 0.1452 -- 100.0
X Ray Diffraction 1.5205 1.6378 -- 139 2594 0.1139 0.1621 -- 100.0
X Ray Diffraction 1.6378 1.8026 -- 139 2630 0.1245 0.1684 -- 100.0
X Ray Diffraction 1.8026 2.0634 -- 127 2672 0.1374 0.2002 -- 100.0
X Ray Diffraction 2.0634 2.5994 -- 137 2684 0.1464 0.1741 -- 100.0
X Ray Diffraction 2.5994 27.2693 -- 138 2735 0.1713 0.2005 -- 97.0
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -4.405
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.9749
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.4301
RMS Deviations
Key Refinement Restraint Deviation
f_plane_restr 0.003
f_chiral_restr 0.06
f_dihedral_angle_d 10.439
f_angle_d 0.887
f_bond_d 0.004
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 686
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 182

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
Acorn Structure Solution
PHENIX (phenix.refine: 1.7.1_743) Structure Refinement
Software
Software Name Purpose
PHENIX version: (phenix.refine: 1.7.1_743) refinement
Acorn model building
ADSC version: Quantum data collection