4LN6

The crystal structure of hemagglutinin from a h7n9 influenza virus (a/shanghai/2/2013)

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	polymer	325	35333.9	6	Pfam (PF00509) UniProt (by SIFTS) (R4NN21) In PDB	Influenza A virus
2	B, D, F, H, J...	Hemagglutinin	polymer	181	20885.0	6	Pfam (PF00509) UniProt (by SIFTS) (R4NN21) In PDB	Influenza A virus
3	M, Q	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
4	N, P, R, S	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	4	In PDB GlyTouCan (G15407YE)
5	O	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		732.7	1	In PDB GlyTouCan (G32152BH)
6	I, K, A, C, E...	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
7	H, J, L, B, D...	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	6	Chemie (NAG)
8		water	water		18.0	225	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	337313.1
Branched	Number of molecules	7
	Total formula weight	3927.7
Non-Polymers*	Number of molecules	12
	Total formula weight	1567.7
All*	Total formula weight	342808.5

*Water molecules are not included.