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1OBG

SAICAR-synthase complexed with ATP

Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsEMBL/DESY, HAMBURG BEAMLINE X31
Synchrotron siteEMBL/DESY, HAMBURG
BeamlineX31
Temperature [K]297
Detector technologyIMAGE PLATE
Collection date1997-02-15
DetectorMARRESEARCH
Spacegroup nameP 21 21 21
Unit cell lengths69.770, 74.190, 76.000
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution13.800 - 2.050
R-factor0.168
Rwork0.166
R-free0.20600
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)1a48
Data reduction softwareDENZO
Data scaling softwareSCALEPACK
Refinement softwareREFMAC
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]13.8202.090
High resolution limit [Å]2.0502.050
Rmerge0.0700.190
Number of reflections25206
<I/σ(I)>173.6
Completeness [%]98.598.5
Redundancy44
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
14.540MM ASP. ASID, 10MM MGCL2, 25MM ATP, 2.26 M (NH4)2(SO4), 5, pH 4.50

217705

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