7NLL

SARS-CoV-2 Spike RBD (dimer) in complex with two Fu2 nanobodies

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, D	Spike protein S1	polymer	230	25643.9	2	UniProt (P0DTC2) Pfam (PF09408) In PDB	Severe acute respiratory syndrome coronavirus 2
2	A, C	Nanobody Fu2	polymer	145	15859.2	2		Vicugna pacos (alpaca)
3	B, D	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)

Sequence modifications

B, D: 319 - 540 (UniProt: P0DTC2)

PDB	External Database	Details
Gly 541	-	expression tag
Gly 542	-	expression tag
Leu 543	-	expression tag
Pro 544	-	expression tag
Glu 545	-	expression tag
Thr 546	-	expression tag
Gly 547	-	expression tag
Gly 548	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	83006.2
Non-Polymers*	Number of molecules	2
	Total formula weight	442.4
All*	Total formula weight	83448.6

*Water molecules are not included.