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, 100 mM KCl, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.09 α = 90
b = 85.54 β = 90
c = 64.11 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
1.9 64.15 100.0 0.074 0.074 -- 6.7 19364 19364 -- -- --
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 2.0 100.0 0.52 0.52 1.4 6.7 2771

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 42.76 -- 0.0 -- 19328 990 99.98 -- 0.2061 0.2039 0.2442 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 -- 76 1333 0.298 0.292 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.1668
Anisotropic B[1][1] 0.1
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.53
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.43
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.713
r_scbond_it 1.679
r_mcangle_it 1.303
r_mcbond_it 0.689
r_gen_planes_refined 0.006
r_chiral_restr 0.082
r_dihedral_angle_4_deg 10.849
r_dihedral_angle_3_deg 16.998
r_dihedral_angle_2_deg 32.805
r_dihedral_angle_1_deg 5.924
r_angle_refined_deg 1.361
r_bond_refined_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1785
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 147

Software

Computing
Computing Package Purpose
MAR345dtb Data Collection
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.5.0102 Structure Refinement
Software
Software Name Purpose
pdb_extract version: 3.11 data extraction
REFMAC5 refinement
MOLREP molecular replacement
SCALA version: 3.2.25 data reduction
Mosflm version: 3.2.25 data collection