X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 291.0
Details 10mg/mL wtTTR, 22% peg 400, 100mM Tris pH 7.4, 100mM KCl, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.09 α = 90
b = 86.12 β = 90
c = 63.52 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
IMAGE PLATE MAR scanner 345 mm plate -- 2005-05-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU ULTRAX 18 1.5418 -- --

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
2 63.52 99.4 0.071 0.071 -- 6.5 16478 16478 -- -- --
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)
2.0 2.11 98.9 0.41 0.41 1.8 6.4 2328

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 2.0 43.1 -- 0.0 -- 16452 830 99.14 -- 0.1746 0.1716 0.2348 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 2.0 2.052 -- 67 1130 0.213 0.319 -- 97.87
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.922
Anisotropic B[1][1] 0.64
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.99
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.36
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.019
r_dihedral_angle_2_deg 37.12
r_gen_planes_refined 0.011
r_dihedral_angle_1_deg 6.582
r_dihedral_angle_4_deg 18.602
r_angle_refined_deg 2.134
r_dihedral_angle_3_deg 17.916
r_chiral_restr 0.142
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1785
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 127

Software

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