9KBR

Crystal structure of the methyltransferase-ribozyme 1 bound to DNA substrate (with 1-methyl-adenosine)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL02U1
Synchrotron site	SSRF
Beamline	BL02U1
Temperature [K]	100
Detector technology	PIXEL
Collection date	2024-03-24
Detector	DECTRIS EIGER2 S 9M
Wavelength(s)	0.97918
Spacegroup name	P 41
Unit cell lengths	69.196, 69.196, 65.597
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	34.600 - 2.650
R-factor	0.1905
Rwork	0.189
R-free	0.22310
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.008
RMSD bond angle	1.204
Data reduction software	autoPROC
Data scaling software	autoPROC
Phasing software	PHASER
Refinement software	PHENIX (1.20.1_4487)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	48.930	2.790
High resolution limit [Å]	2.650	2.650
Rmerge	0.093	5.850
Rpim	0.038	2.303
Number of reflections	9120	1315
<I/σ(I)>	15.4	0.8
Completeness [%]	99.9	99.8
Redundancy	13.9
CC(1/2)	0.999	0.389

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7	291	100mM NaCl, 100mM LiCl, 10mM MgCl2, 34% MPD