9HRF

Crystal structure of the Class V (UU) GTP aptamer variant in complex with GTP

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)
Synchrotron site	PETRA III, EMBL c/o DESY
Beamline	P13 (MX1)
Temperature [K]	100
Detector technology	PIXEL
Collection date	2023-11-07
Detector	DECTRIS EIGER X 16M
Wavelength(s)	0.976
Spacegroup name	P 41 21 2
Unit cell lengths	89.351, 89.351, 56.395
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	19.980 - 1.600
R-factor	0.1824
Rwork	0.181
R-free	0.21730
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.017
RMSD bond angle	1.994
Data scaling software	Aimless
Phasing software	PHASER
Refinement software	PHENIX (1.20.1_4487)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	19.980	1.660
High resolution limit [Å]	1.600	1.600
Rmerge	0.072
Rpim	0.015	1.370
Number of reflections	30618	311
<I/σ(I)>	20.9	0.37
Completeness [%]	76.1	10.37
Redundancy	26.2	24.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7	291	methylpentanediol, sodium chloride, potassium chloride, magnesium chloride, spermine, cacodylate