6LU0

Crystal structure of Cas12i2 ternary complex with 12 nt spacer

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL17U1
Synchrotron site	SSRF
Beamline	BL17U1
Temperature [K]	100
Detector technology	PIXEL
Collection date	2019-06-29
Detector	DECTRIS EIGER X 16M
Wavelength(s)	0.97918
Spacegroup name	C 2 2 21
Unit cell lengths	93.553, 122.672, 284.712
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	29.560 - 3.220
R-factor	0.2082
Rwork	0.207
R-free	0.23060
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	6ltr
RMSD bond length	0.004
RMSD bond angle	0.794
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHASER
Refinement software	PHENIX (1.18.2_3874)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	3.260
High resolution limit [Å]	3.200	3.200
Rmerge	0.093	0.862
Rmeas	0.101	0.940
Rpim	0.039	0.368
Number of reflections	26456	1247
<I/σ(I)>	26.5	4
Completeness [%]	99.8	99.5
Redundancy	6.4	6.2
CC(1/2)	0.997	0.853

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	EVAPORATION	7.8	289	0.2 M NaCl, 0.1 M Bis-Tris propane pH 7.8, 18.5% PEG 6000