9Z1M

Cryo-EM structure of KP.3 spike in complex with Nb9B

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (D, E, F)	Nanosota-9B	polymer	150	16304.6	3		Vicugna pacos (alpaca)
2	D, E, F (B, C, A)	KP.3 spike	polymer	1243	138311.8	3		Severe acute respiratory syndrome coronavirus 2
3	G, H, I, J, K... (G, H, I, J, K...)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	11	In PDB GlyTouCan (G42666HT)
4	R, S, T, U (B, C)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	4	Chemie (NAG) PubChem (24139)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	463849.2
Branched	Number of molecules	11
	Total formula weight	4668.4
Non-Polymers*	Number of molecules	4
	Total formula weight	884.8
All*	Total formula weight	469402.4

*Water molecules are not included.