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 10mg/mL wtTTR, 0.2M Calcium chloride, 0.1M HEPES sodium pH 7.5, 28% v/v Polyethylene glycol 400 (Hampton Research's Crystal Screen I, #14), VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.51 α = 90
b = 83.13 β = 90
c = 63.72 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm -- 2008-09-16
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LNLS BEAMLINE D03B-MX1 1.4250 LNLS D03B-MX1

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
1.9 83.13 98.1 0.075 0.075 -- 3.3 17616 17616 -- -- --
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)
1.9 2.0 94.9 0.368 0.368 2.1 3.2 2421

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 1.9 19.76 -- 0.0 -- 17615 1043 97.79 -- 0.2023 0.1994 0.2496 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 1.9 1.949 -- 59 1162 0.279 0.334 -- 94.36
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.5027
Anisotropic B[1][1] 0.08
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.64
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.56
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.491
r_gen_planes_refined 0.006
r_mcangle_it 1.242
r_dihedral_angle_4_deg 15.285
r_dihedral_angle_2_deg 34.79
r_scbond_it 1.647
r_chiral_restr 0.078
r_scangle_it 2.587
r_bond_refined_d 0.011
r_dihedral_angle_3_deg 16.479
r_mcbond_it 0.656
r_dihedral_angle_1_deg 5.613
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1785
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 142

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling version: 3.2.25
MOLREP phasing
REFMAC refinement
PDB_EXTRACT data extraction version: 3.11
MAR345dtb data collection