X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details PROTEIN AT 20 MG/ML FROM 1 M LICL, 20% POLYETHYLENE 6000 AND 0.1 M CITRIC ACID, PH 4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.84 α = 90
b = 60.95 β = 100.89
c = 71.12 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2006-02-16
CCD ADSC QUANTUM 315r -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2
SYNCHROTRON ESRF BEAMLINE ID23-1 -- ESRF ID23-1

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
1.7 30 98.4 0.06 -- -- 3.6 -- 32834 -- -- --
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)
1.7 1.76 97.4 0.52 -- 2.4 3.3 --

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
SAD 1.7 69.84 -- -- -- 31147 1668 98.15 -- 0.15986 0.15734 0.20628 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 1.696 1.74 -- 110 2130 0.246 0.313 -- 93.65
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 14.437
Anisotropic B[1][1] -0.74
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.31
Anisotropic B[2][2] -0.06
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.91
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 36.298
r_bond_refined_d 0.014
r_gen_planes_refined 0.008
r_dihedral_angle_4_deg 21.218
r_dihedral_angle_3_deg 13.759
r_chiral_restr 0.124
r_angle_refined_deg 1.638
r_dihedral_angle_1_deg 7.418
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2574
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 348

Software

Software
Software Name Purpose
REFMAC refinement version: 5.6.0117
DENZO data reduction
SCALEPACK data scaling
SHELXD phasing