7D8C

Crystal structure of the Cas12i1-crRNA binary complex

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL17U1
Synchrotron site	SSRF
Beamline	BL17U1
Temperature [K]	100
Detector technology	CCD
Collection date	2020-07-22
Detector	ADSC QUANTUM 315r
Wavelength(s)	0.9792
Spacegroup name	P 63 2 2
Unit cell lengths	211.933, 211.933, 164.758
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	57.420 - 3.600
R-factor	0.2815
Rwork	0.280
R-free	0.30850
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	7d2l
RMSD bond length	0.006
RMSD bond angle	1.090
Data reduction software	XDS
Data scaling software	Aimless (0.7.1)
Phasing software	PHENIX (1.13-2998)
Refinement software	REFMAC (5.8.0222)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	57.420	3.850
High resolution limit [Å]	3.600	3.600
Number of reflections	25821	4599
<I/σ(I)>	12.3
Completeness [%]	99.9
Redundancy	38.6
CC(1/2)	0.998	0.955

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		289	0.1 M sodium citrate (pH 5.2), 17% (w/v) Polyethylene glycol 3350, 2% Tacsimate (pH 4.0), 0.15 M sodium citrate tribasic dihydrate