X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 0.1 M MES PH 6.0 AND 1.6 M AMMONIUM SULFATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.99 α = 90
b = 100.99 β = 90
c = 88.65 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD (QUANTUM Q315R) ADSC -- 2010-10-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- 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
3.25 100 98.7 0.08 -- -- 3.6 -- 8433 -- 2.1 --
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)
3.25 3.37 99.9 0.68 -- 2.1 3.8 --

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 3.25 87.46 -- -- -- 8005 424 98.72 -- 0.24527 0.24448 0.25966 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 3.25 3.334 -- 32 521 0.292 0.318 -- 99.82
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 57.317
Anisotropic B[1][1] 0.45
Anisotropic B[1][2] 0.22
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.45
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.67
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.004
r_chiral_restr 0.066
r_dihedral_angle_4_deg 26.02
r_dihedral_angle_3_deg 17.472
r_dihedral_angle_2_deg 41.405
r_dihedral_angle_1_deg 4.792
r_angle_refined_deg 1.042
r_bond_refined_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2260
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 0

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.6.0116 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0116 refinement
PHASER model building