7EI9

RNA kink-turn motif with pyrrolo cytosine

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	2019-11-14
Detector	DECTRIS EIGER X 16M
Wavelength(s)	0.98
Spacegroup name	P 42 21 2
Unit cell lengths	76.416, 76.416, 41.197
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	36.260 - 2.700
R-factor	0.229
Rwork	0.227
R-free	0.24600
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4c40
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHASER
Refinement software	PHENIX (1.17.1)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	36.260	36.260	2.800
High resolution limit [Å]	2.700	5.000	2.700
Rmerge	0.036	0.019	0.397
Rmeas	0.041	0.022	0.451
Total number of observations	15002
Number of reflections	3622	620	365
<I/σ(I)>	22.76	45	3.6
Completeness [%]	99.3	97.9	100
Redundancy	4.142	3.737	4.43
CC(1/2)	1.000	1.000	0.904

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		293	sodium cacodylate, MPD, spermine tetrahydrochloride, strontium chloride