X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.4
Temperature 296.0
Details 12% PEG 4000, 12-14% isopropanol, 100mM MES, pH 5.4, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.5 α = 90
b = 108.4 β = 90
c = 111.3 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-02-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 1.07 SSRL BL9-2

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
2.35 30 85.4 0.083 0.083 -- 2.9 -- 32009 2.0 2.0 35.0
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)
2.35 2.45 76.6 0.399 0.399 2.8 -- --

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 2.35 30.0 0.0 0.0 32009 29505 1526 80.0 0.204 0.201 0.199 0.283 thin shells
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.0096
c_angle_deg 1.966
c_dihedral_angle_d 30.2
c_improper_angle_d 1.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6464
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 107

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
EPMR phasing
SHELXL-97 refinement version: & CNS1.1
CNS refinement version: 1.1