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1G1X

STRUCTURE OF RIBOSOMAL PROTEINS S15, S6, S18, AND 16S RIBOSOMAL RNA

Replaces:  1EKC
Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsSSRL BEAMLINE BL9-1
Synchrotron siteSSRL
BeamlineBL9-1
Temperature [K]100
Detector technologyIMAGE PLATE
Collection date1999-04-26
DetectorMARRESEARCH
Spacegroup nameP 65
Unit cell lengths169.500, 169.500, 113.800
Unit cell angles90.00, 90.00, 120.00
Refinement procedure
Resolution50.000 - 2.600
R-factor0.266

*

Rwork0.266
R-free0.29800
Structure solution methodMIR
RMSD bond length0.023
RMSD bond angle19.450

*

Data reduction softwareMOSFLM
Data scaling softwareCCP4 ((TRUNCATE))
Phasing softwareMLPHARE
Refinement softwareX-PLOR
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]50.0002.690
High resolution limit [Å]2.6002.600
Rmerge0.0510.410
Total number of observations264392

*

Number of reflections57348
<I/σ(I)>9.91.7
Completeness [%]99.999.9
Redundancy3.83.8
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, SITTING DROP6.5

*

2931.8 M (NH4)2SO4, 20 mM MgCl2, 50 mM Potassium Cacodylate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystallization Reagents
IDcrystal IDsolution IDreagent nameconcentrationdetails
111MgCl2
211Potassium Cacodylate
311(NH4)2SO4
412(NH4)2SO4
Crystallization Reagents in Literatures
IDcrystal IDsolutionreagent nameconcentration (unit)details
11reservoirammonium sulfate1.8 (M)
21reservoir20 (mM)
31reservoirpotassium cacodylate50 (mM)

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PDB entries from 2025-06-18

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