X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 260.0
Details 1.8 M ammonium sulfate, 2 % PEG400, 0.1 M bis-Tris propane, pH 6.5, resulting pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 260K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.64 α = 90
b = 142.26 β = 90
c = 213.74 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 260
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR MARRESEARCH -- 1998-11-21
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MAX II BEAMLINE I711 -- MAX II I711

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
1.85 28.92 85.0 0.052 -- -- -- -- 131071 -- -- 10.1
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)
1.85 1.97 65.1 0.267 -- -- -- 15875

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
-- 1.85 28.92 0.0 0.0 -- 131071 6606 -- -- -- 0.173 0.196 Random
RMS Deviations
Key Refinement Restraint Deviation
c_improper_d 0.76
c_dihedrals_d 23.1
c_bond_d 0.006
c_angle_d 1.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11932
Nucleic Acid Atoms 0
Heterogen Atoms 52
Solvent Atoms 786

Software

Computing
Computing Package Purpose
MAR Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
USING PHASES FROM UNCOMPLEXED MODEL (PDB ENTRY 1DD8) Structure Solution
CNS 0.9 Structure Refinement
Software
Software Name Purpose
CNS version: 0.9 refinement
USING version: PHASES FROM UNCOMPLEXED MODEL (PDB ENTRY 1DD8) model building