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4RGC

277K Crystal structure of Escherichia Coli dihydrofolate reductase

Replaces:  4PSZ
Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsSSRL BEAMLINE BL11-1
Synchrotron siteSSRL
BeamlineBL11-1
Temperature [K]277
Detector technologyCCD
Collection date2005-04-25
DetectorADSC QUANTUM 315
Wavelength(s)0.9
Spacegroup nameP 21 21 21
Unit cell lengths34.299, 45.521, 98.711
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution49.360 - 1.050
R-factor0.109
Rwork0.108
R-free0.13400
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)1rx2
RMSD bond length0.012
RMSD bond angle0.031
Data reduction softwareHKL-2000
Data scaling softwareHKL-2000
Phasing softwareSHELX
Refinement softwareSHELXL-97
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]49.3601.090
High resolution limit [Å]1.0501.050
Rmerge0.0450.458
Number of reflections71782
<I/σ(I)>40.85.2
Completeness [%]98.397.2
Redundancy9.99.1
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, HANGING DROP727717% PEG 400, 20 MM IMIDAZOLE PH 7.0, 125 MM MNCL2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K

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