9VSN

Crystal structure of RNA duplex containing an IRES internal loop

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	PHOTON FACTORY BEAMLINE BL-17A
Synchrotron site	Photon Factory
Beamline	BL-17A
Temperature [K]	100
Detector technology	PIXEL
Collection date	2021-06-05
Detector	DECTRIS EIGER X 16M
Wavelength(s)	0.91962
Spacegroup name	P 21 21 21
Unit cell lengths	30.923, 53.093, 78.476
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	31.560 - 3.100
R-factor	0.2234
Rwork	0.219
R-free	0.26360
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	RNA duplex constructed using Coot
RMSD bond length	0.006
RMSD bond angle	1.057
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	PHENIX ((1.17.1_3660: ???))

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	31.560	31.560	3.180
High resolution limit [Å]	3.100	13.850	3.100
Rmerge	0.101	0.068	0.382
Rmeas	0.121	0.090	0.461
Number of reflections	4463	46	314
<I/σ(I)>	7.27
Completeness [%]	98.5
Redundancy	3.4
CC(1/2)	0.994	0.993	0.922

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		293	MPD, MOPS, KCl, Spermine