8R80

SARS-CoV-2 Delta RBD in complex with XBB-9 Fab and an anti-Fab nanobody

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, G (H, A)	XBB-9 Fab heavy chain	polymer	224	23516.5	2		Homo sapiens
2	B, H (L, B)	XBB-9 Fab light chain	polymer	214	23486.2	2		Homo sapiens
3	C, D (E, R)	Spike protein S1	polymer	202	22935.7	2	UniProt (P0DTC2) Pfam (PF09408)	Severe acute respiratory syndrome coronavirus 2
4	E, F (N, J)	anti-Fab nanobody	polymer	135	14848.2	2		synthetic construct

Sequence modifications

E, R: 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	8
	Total formula weight	169573.3
All*	Total formula weight	169573.3

*Water molecules are not included.