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3C33

Crystal structure of GluR5 ligand-binding core in complex with potassium at 1.78 Angstrom resolution

Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsAPS BEAMLINE 22-ID
Synchrotron siteAPS
Beamline22-ID
Temperature [K]100
Detector technologyCCD
Collection date2007-11-14
DetectorMARMOSAIC 300 mm CCD
Wavelength(s)1.00000
Spacegroup nameP 41 21 2
Unit cell lengths70.742, 70.742, 234.460
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution29.310 - 1.720
R-factor0.16679
Rwork0.165
R-free0.19444
Structure solution methodFOURIER SYNTHESIS
Starting model (for MR)3c31
RMSD bond length0.017
RMSD bond angle1.653
Data reduction softwareHKL-2000
Data scaling softwareHKL-2000
Refinement softwareREFMAC (5.4.0066)
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]30.0001.780
High resolution limit [Å]1.7201.720
Rmerge0.0610.320
Number of reflections64352
<I/σ(I)>16.47.9
Completeness [%]98.297.1
Redundancy7.37.2
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, HANGING DROP629320% PEG 4000, 125 mM KCl, 175 mM K2(SO4), 100 mM K cacodylate, 4 mM Kainic acid, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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