X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 0.2 M LITHIUM SULFATE, 0.1M TRIS, PH 8.5, AND 25% POLY-ETHYLENE GLYCOL 3350

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.41 α = 90
b = 114.57 β = 90
c = 120.79 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r MIRRORS 2015-09-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.2 -- ALS 8.2.2

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
1.85 83.13 98.6 0.12 -- -- 5.5 -- 106911 -- 2.0 --
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)
1.85 1.95 97.4 1.04 -- 1.5 5.3 --

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 1.85 114.53 -- 2.0 -- 101544 5232 98.3 -- 0.18072 0.17885 0.21691 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 1.85 1.898 -- 358 7359 0.344 0.349 -- 97.07
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.89
Anisotropic B[1][1] 0.32
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -20.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.12
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.094
r_bond_other_d 0.001
r_angle_refined_deg 1.444
r_chiral_restr 0.085
r_dihedral_angle_1_deg 6.08
r_bond_refined_d 0.01
r_dihedral_angle_4_deg 17.511
r_scbond_it 1.871
r_dihedral_angle_2_deg 31.025
r_mcangle_it 2.152
r_gen_planes_refined 0.006
r_dihedral_angle_3_deg 14.6
r_mcbond_it 1.306
r_mcbond_other 1.306
r_angle_other_deg 0.764
r_gen_planes_other 0.001
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6952
Nucleic Acid Atoms 0
Heterogen Atoms 106
Solvent Atoms 1079

Software

Software
Software Name Purpose
REFMAC refinement version: 5.8.0049
MOSFLM data reduction
SCALA data scaling
PHASER phasing