2O3X

Crystal Structure of the Prokaryotic Ribosomal Decoding Site Complexed with Paromamine Derivative NB30

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE ID29
Synchrotron site	ESRF
Beamline	ID29
Temperature [K]	100
Detector technology	CCD
Collection date	2006-05-22
Detector	ADSC QUANTUM 315
Wavelength(s)	0.9737
Spacegroup name	P 21 21 21
Unit cell lengths	33.140, 46.830, 85.720
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	10.000 - 2.900
Rwork	0.246
R-free	0.28500
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1j7t
RMSD bond length	0.007
RMSD bond angle	1.234
Data reduction software	CrystalClear
Data scaling software	CrystalClear
Phasing software	AMoRE
Refinement software	CNS

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	42.860	42.860	3.000
High resolution limit [Å]	2.900	6.240	2.900
Rmerge	0.163	0.071	0.350
Total number of observations		2105	2266
Number of reflections	3222
<I/σ(I)>	8.3	32.9	3
Completeness [%]	99.4	95.3	100
Redundancy	6.53	5.76	6.93

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6.5	300	Sodium Cacodylate, Potassium chloride, 2-methyl-2,4-pentanediol, spermine tetrahydrochloride, glycerol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystallization Reagents

ID	crystal ID	solution ID	reagent name	concentration	details
1	1	1	Sodium Cacodylate
2	1	1	Potassium chloride
3	1	1	2-methyl-2,4-pentanediol
4	1	1	spermine tetrahydrochloride
5	1	1	glycerol
6	1	2	Sodium Cacodylate
7	1	2	Potassium chloride
8	1	2	2-methyl-2,4-pentanediol
9	1	2	spermine tetrahydrochloride