6Y5I

Dilated form 1 of X-31 Influenza Haemagglutinin at pH 5 (State II)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, E, C	X-31 Influenza Haemagglutinin HA1	polymer	318	34967.3	3	UniProt (P03437) Pfam (PF00509) In PDB	unidentified influenza virus
2	B, D, F	X-31 Influenza Haemagglutinin HA2	polymer	172	19913.0	3	UniProt (P03437) Pfam (PF00509) In PDB	unidentified influenza virus
3	G, L, N	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	3	In PDB GlyTouCan (G15407YE)
4	H, I, J, K, M...	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	6	In PDB GlyTouCan (G42666HT)
5	A, E, C	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	6	Chemie (NAG)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	164640.8
Branched	Number of molecules	9
	Total formula weight	4306.0
Non-Polymers*	Number of molecules	6
	Total formula weight	1327.2
All*	Total formula weight	170274.1

*Water molecules are not included.