8QRG

SARS-CoV-2 delta RBD complexed with XBB-2 Fab and NbC1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (E)	Spike protein S1	polymer	202	22935.7	1	UniProt (P0DTC2) Pfam (PF09408)	Severe acute respiratory syndrome coronavirus 2
2	B (A)	NbC1	polymer	131	14659.1	1		Lama glama
3	C (H)	XBB-2 heavy chain	polymer	223	23750.6	1		Homo sapiens
4	D (L)	XBB-2 light chain	polymer	214	23339.8	1		Homo sapiens
5	E (E)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	1	Chemie (NAG)
6	F, G, H, I, J... (E, A, L)	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
7	L, M, N, O (E, A, H, L)	water	water		18.0	187	Chemie (HOH)

Sequence modifications

E: 333 - 526 (UniProt: P0DTC2)

PDB	External Database	Details
His 327	-	expression tag
His 328	-	expression tag
His 329	-	expression tag
His 330	-	expression tag
His 331	-	expression tag
His 332	-	expression tag
Arg 452	Leu 452	variant
Lys 478	Thr 478	variant
Lys 527	-	expression tag
Lys 528	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	84685.3
Non-Polymers*	Number of molecules	7
	Total formula weight	773.8
All*	Total formula weight	85459.0

*Water molecules are not included.