4WA1

The crystal structure of hemagglutinin from a H3N8 influenza virus isolated from New England harbor seals

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, D, E... (A, B, C, D, E...)	Hemagglutinin	polymer	496	55662.2	6	UniProt (I6NNE1) Pfam (PF00509)	Influenza A virus (A/harbor seal/Massachusetts/1/2011(H3N8))
2	G, H, I, J, L... (G, H, I, J, L...)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	8	In PDB GlyTouCan (G42666HT)
3	K, O (K, O)	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	2	In PDB GlyTouCan (G15407YE)
4	Q, R, S, T, U... (A, B, C, D, E...)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	8	Chemie (NAG)
5	AA, BA, CA, DA, Y... (C, D, E, F, A...)	water	water		18.0	3090	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	333973.5
Branched	Number of molecules	10
	Total formula weight	4568.3
Non-Polymers*	Number of molecules	8
	Total formula weight	1769.7
All*	Total formula weight	340311.4

*Water molecules are not included.