X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.1
Details NA,K PHOSPHATE, PH 6.1, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 153.17 α = 90
b = 153.17 β = 90
c = 100.64 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-11-02
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 5ID-B -- APS 5ID-B

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
2.7 30 97.4 -- 0.072 -- 5.5 -- 36772 -- -3.0 --
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)
2.7 2.8 98.3 -- 0.236 -- -- --

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
MAD 2.8 30.0 -- 2.0 -- 31440 1382 93.0 -- 0.221 0.221 0.269 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 62.8
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.04
c_bond_d 0.007
c_angle_deg 1.37
c_dihedral_angle_d 22.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.36
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5651
Nucleic Acid Atoms 0
Heterogen Atoms 46
Solvent Atoms 86

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE/RESOLVE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
SOLVE/RESOLVE model building