44IV

KIR2DS4 bound to HLA-C*05:01 presenting the P2-AW peptide

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Synchrotron site	Australian Synchrotron
Beamline	MX2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2022-02-17
Detector	DECTRIS EIGER X 16M
Wavelength(s)	0.9537
Spacegroup name	P 21 21 21
Unit cell lengths	70.498, 96.159, 230.520
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	45.700 - 2.650
R-factor	0.234
Rwork	0.232
R-free	0.26960
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.002
RMSD bond angle	0.489
Data reduction software	XDS
Data scaling software	Aimless
Phasing software	PHASER
Refinement software	PHENIX (1.21rc1_5058)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	49.630	2.740
High resolution limit [Å]	2.650	2.650
Rmerge	0.072	0.460
Number of reflections	45838	4465
<I/σ(I)>	6.9	1.9
Completeness [%]	98.2
Redundancy	5.6
CC(1/2)	0.995	0.862

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		294	0.2M lithium sulphate, 0.1M ammonium citrate pH 7, 20% PEG 3350