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1LKZ

Crystal structure of D-ribose-5-phosphate isomerase (RpiA) from Escherichia coli.

Experimental procedure
Experimental methodMAD
Source typeSYNCHROTRON
Source detailsNSLS BEAMLINE X8C
Synchrotron siteNSLS
BeamlineX8C
Temperature [K]100
Detector technologyCCD
Collection date2002-02-17
DetectorADSC QUANTUM 4
Wavelength(s)0.97193
Spacegroup nameC 2 2 21
Unit cell lengths70.335, 71.809, 193.067
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution45.000 - 2.500
R-factor0.227

*

Rwork0.227
R-free0.27000
Structure solution methodMAD
RMSD bond length0.011
RMSD bond angle25.000

*

Data scaling softwareSCALEPACK
Phasing softwareSOLVE
Refinement softwareCNS (1.0)
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]45.0002.580
High resolution limit [Å]2.5002.500
Rmerge0.055

*

Total number of observations89423

*

Number of reflections29225
<I/σ(I)>16.9
Completeness [%]87.973.5
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, HANGING DROP8.5

*

295Ammonium sulfate, Isopropanol, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystallization Reagents in Literatures
IDcrystal IDsolutionreagent nameconcentration (unit)details
11dropprotein4.7 (mg/ml)
21dropTris50 (mM)pH8.5
31drop400 (mM)
41dropglycerol5 (%(v/v))
51reservoirtrisodium citrate1.05 (M)
61reservoirHEPES0.1 (M)pH7.5

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