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2X9D

Tet repressor (class D) in complex with iso-7-chlortetracycline

Replaces:  1DU7
Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsEMBL/DESY, HAMBURG BEAMLINE X13
Synchrotron siteEMBL/DESY, HAMBURG
BeamlineX13
Temperature [K]100
Detector technologyCCD
Collection date2004-03-26
DetectorMARRESEARCH SX-165
Spacegroup nameI 41 2 2
Unit cell lengths68.253, 68.253, 179.271
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution63.760 - 2.340
R-factor0.23826
Rwork0.234
R-free0.27974
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)2tct
RMSD bond length0.012
RMSD bond angle1.447
Data reduction softwareDENZO
Data scaling softwareSCALEPACK
Phasing softwareREFMAC
Refinement softwareREFMAC (5.5.0088)
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]63.7002.390
High resolution limit [Å]2.3402.340
Rmerge0.0700.640
Number of reflections9121
<I/σ(I)>9.71.78
Completeness [%]98.076
Redundancy4.483.44
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, HANGING DROP80.002ML PROTEIN/COMPLEX (0.050 ML TETR(D) (C = 17.3 MG/ML)50 ML 2MM ISO-CLTC) PLUS ML BUFFER (50 MM TRIS PH 8, 1.1 M (NH4)2SO4, 100 MM NACL, 10 MM MGCL2) HANGING DROP AGAINST 0.5 ML BUFFER

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