4EDB

Structures of monomeric hemagglutinin and its complex with an Fab fragment of a neutralizing antibody that binds to H1 subtype influenza viruses: molecular basis of infectivity of 2009 pandemic H1N1 influenza A viruses

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 (A, C, E)	Hemagglutinin	polymer	330	36680.2	3	UniProt (A7LI25) Pfam (PF00509)	Influenza A virus
2	B, D, F (B, D, F)	Hemagglutinin	polymer	182	20823.2	3	UniProt (A7LI25) Pfam (PF00509)	Influenza A virus
3	G, H, I, J, K... (A, B, C, D, E...)	water	water		18.0	16	Chemie (HOH)

Sequence modifications

A, C, E: 1 - 326 (UniProt: A7LI25)

PDB	External Database	Details
Ala -3	-	expression tag
Asp -2	-	expression tag
Pro -1	-	expression tag
Gly 0	-	expression tag

B, D, F: 1 - 176 (UniProt: A7LI25)

PDB	External Database	Details
Arg 177	-	expression tag
Ser 178	-	expression tag
Leu 179	-	expression tag
Val 180	-	expression tag
Pro 181	-	expression tag
Arg 182	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	172510.1
All*	Total formula weight	172510.1

*Water molecules are not included.