9X9Z

Structure of the Omicron BA.2.86 variant Spike N-terminal domain(NTD)in complex with the antibody Fab fragment, C1717

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	2025-06-15
Detector	DECTRIS EIGER2 S 9M
Wavelength(s)	0.97925
Spacegroup name	P 1 21 1
Unit cell lengths	72.790, 58.169, 112.070
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	42.110 - 2.550
R-factor	0.1991
Rwork	0.197
R-free	0.24740
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.003
RMSD bond angle	0.666
Data reduction software	xia2
Data scaling software	xia2
Phasing software	PHASER
Refinement software	PHENIX (1.21.1_5286)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	45.480	2.620
High resolution limit [Å]	2.550	2.550
Number of reflections	30987	2291
<I/σ(I)>	8.3
Completeness [%]	100.0
Redundancy	6.2
CC(1/2)	0.970	0.389

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		277	0.2 M Ammonium tartrate dibasic, 20% w/v Polyethylene glycol 3,350