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2OZ9

E. coli TRP holorepressor, orthorhombic crystal form

Replaces:  2WRP
Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeROTATING ANODE
Source detailsELLIOTT GX-6
Temperature [K]298
Detector technologyFILM
DetectorKODAK
Wavelength(s)1.5418
Spacegroup nameP 21 21 2
Unit cell lengths53.300, 53.600, 33.100
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution5.000 - 1.650
R-factor0.18
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)1wrp dimer
RMSD bond length0.012
RMSD bond angle2.000
Data reduction softwareDENZO
Data scaling softwareSCALEPACK
Phasing softwareMERLOT
Refinement softwarePROFFT
Data quality characteristics
 Overall
Low resolution limit [Å]20.000
High resolution limit [Å]1.650
Number of reflections10945
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION5298crystallization conditions: 2.5 M sodium phosphate, 0.6 M ammonium chloride, 2.5 mM L-tryptophan. Prior to data collection the crystal was equilibrated to 2.4 M ammonium sulfate, 0.4 M sodium chloride, 2.4 mM L-tryptophan, 50 mM sodium acetate., pH 5.0, VAPOR DIFFUSION, temperature 298K

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