X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Temperature 295.0
Details 16% polyethylene glycol 4000, 0.2 M (NH4)2SO4, 0.1 M CH3COONa, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.03 α = 90
b = 75.03 β = 90
c = 85.08 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm MIRRORS 2007-05-23
Diffraction Radiation
Monochromator Protocol
SI-111 CRYSTAL - DOUBLE CRYSTAL MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.2 -- BESSY 14.2

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
1.5 51.62 99.7 0.035 0.035 -- 6.1 -- 14931 -- 0.0 23.8
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)
1.5 1.53 100.0 0.252 0.252 6.2 6.0 --

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 1.5 18.756 -- 1.36 14921 14929 754 99.87 -- 0.1938 0.1926 0.2186 --
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 1.5 1.6158 -- 149 2799 0.2416 0.3004 -- 100.0
X Ray Diffraction 1.6158 1.7783 -- 183 2775 0.2148 0.2135 -- 100.0
X Ray Diffraction 1.7783 2.0353 -- 142 2830 0.1993 0.2219 -- 100.0
X Ray Diffraction 2.0353 2.5633 -- 146 2840 0.1946 0.2078 -- 100.0
X Ray Diffraction 2.5633 18.7577 -- 134 2931 0.1776 0.2099 -- 99.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.147
Anisotropic B[1][1] -0.33
Anisotropic B[1][2] -0.16
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.33
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.49
RMS Deviations
Key Refinement Restraint Deviation
f_plane_restr 0.004
f_chiral_restr 0.08
f_dihedral_angle_d 13.613
f_angle_d 1.15
f_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.0
Luzzati Sigma A (Observed) 0.0
Luzzati Resolution Cutoff (Low) 0.0
Luzzati ESD (R-Free Set) 0.0
Luzzati Sigma A (R-Free Set) 0.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 714
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 113

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
PHASER Structure Solution
PHENIX (phenix.refine: 1.8_1060) Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0109 refinement