4GXU

Crystal structure of antibody 1F1 bound to the 1918 influenza hemagglutinin

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...	Hemagglutinin HA1 chain	polymer	331	36452.8	6	UniProt (Q9WFX3) Pfam (PF00509) In PDB	Influenza A virus	Hemagglutinin receptor binding subunit
2	B, D, F, H, J...	Hemagglutinin HA2 chain	polymer	176	20093.1	6	UniProt (Q9WFX3) Pfam (PF00509) In PDB	Influenza A virus	Hemagglutinin membrane fusion subunit
3	M, O, Q, S, U...	Antibody 1F1, heavy chain	polymer	231	24915.0	6		Homo sapiens (human)
4	N, P, R, T, V...	Antibody 1F1, light chain	polymer	217	22788.2	6		Homo sapiens (human)
5	a, b, c, d, Y...	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	6	In PDB GlyTouCan (G15407YE)
6	A, B, C, D, E...	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	12	Chemie (NAG)

Sequence modifications

A, C, E, G, I, K: 11 - 329 (UniProt: Q9WFX3)

PDB	External Database	Details
Ala 7	-	expression tag
Asp 8	-	expression tag
Pro 9	-	expression tag
Gly 10	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	24
	Total formula weight	625494.5
Branched	Number of molecules	6
	Total formula weight	3519.3
Non-Polymers*	Number of molecules	12
	Total formula weight	2654.5
All*	Total formula weight	631668.3

*Water molecules are not included.