7TIK

Structure of the SARS-CoV-2 Omicron spike post-fusion bundle

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 (A, B, C)	Ferritin, Dps family protein and Spike protein S2' chimera	polymer	257	28818.2	3	UniProt (B2J981) UniProt (A0A7U1MAX9) Pfam (PF00210) UniProt (by SIFTS) (P0DTC2)	Nostoc punctiforme PCC 73102	S glycoprotein,E2,Peplomer protein
2	D, E, F (D, E, F)	Spike protein S2'	polymer	45	4935.4	3	UniProt (P0DTC2)	Severe acute respiratory syndrome coronavirus 2

Sequence modifications

A, B, C: 741 - 915 (UniProt: B2J981)

PDB	External Database	Details
Met 732	-	initiating methionine
Ser 733	-	expression tag
His 734	-	expression tag
His 735	-	expression tag
His 736	-	expression tag
His 737	-	expression tag
His 738	-	expression tag
His 739	-	expression tag
Gly 740	-	expression tag
Ser 741	Thr 4	conflict
Ala 916	-	linker

A, B, C: 917 - 988 (UniProt: A0A7U1MAX9)

PDB	External Database	Details
His 954	Gln 954	conflict
Phe 981	Leu 981	conflict

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	101260.8
All*	Total formula weight	101260.8

*Water molecules are not included.