X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.9
Temperature 277.0
Details sodium citrate, 1,2,3 heptanetriol, ammonium sulphate, glycerol, methanol, pH 4.9, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.68 α = 90
b = 85.77 β = 90
c = 63.69 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 MARRESEARCH -- 1998-09-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, HAMBURG X11

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
1.1 20 98.4 0.048 -- -- 16.0 95607 1561421 2.0 2.0 15.0
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)
1.1 1.11 95.3 0.497 -- -- 7.0 --

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
WILD-TYPE TTR (1TTA) 1.1 5.0 2.0 4.0 73289 -- 9278 -- -- 0.14 0.147 0.177 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model MOLECULAR REPLACEMENT
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.088
s_similar_adp_cmpnt 0.059
s_rigid_bond_adp_cmpnt 0.006
s_anti_bump_dis_restr 0.021
s_non_zero_chiral_vol 0.099
s_zero_chiral_vol 0.097
s_from_restr_planes 0.03
s_similar_dist 0.0
s_angle_d 0.037
s_bond_d 0.015
Coordinate Error
Parameter Value
Number Disordered Residues 34.0
Occupancy Sum Hydrogen 0.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1780
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 251

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
X-PLOR model building