9N8P

Subtomogram average of dimers of influenza HA trimers

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G, I... (A, C, E, G, I...)	Hemagglutinin	polymer	327	36733.4	6	UniProt (P03452) Pfam (PF00509)	Influenza A virus (A/Puerto Rico/8/1934(H1N1))
2	B, D, F, H, J... (B, D, F, H, J...)	Hemagglutinin HA2 chain	polymer	160	18242.2	6	UniProt (P03452)	Influenza A virus (A/Puerto Rico/8/1934(H1N1))
3	M, N, O, P, Q... (S, U, T, N, M...)	N-acetyl-alpha-neuraminic acid-(2-6)-beta-D-galactopyranose	branched		471.4	6	In PDB GlyTouCan (G63069TR)

Sequence modifications

A, C, E, G, I, K: 4 - 325 (UniProt: P03452)

PDB	External Database	Details
Ala 1	-	expression tag
Thr 2	-	expression tag
Asn 3	-	expression tag
Arg 261	Ser 274	conflict
Ala 326	-	expression tag
Arg 327	-	expression tag

B, D, F, H, J, L: 502 - 660 (UniProt: P03452)

PDB	External Database	Details
Gly 501	-	expression tag
Ser 554	Thr 397	conflict
Asn 582	Lys 425	conflict

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	329853.7
Branched	Number of molecules	6
	Total formula weight	2828.5
All*	Total formula weight	332682.2

*Water molecules are not included.