4WE5

The crystal structure of hemagglutinin from A/Port Chalmers/1/1973 influenza virus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Hemagglutinin HA1 chain	polymer	328	36129.5	1	UniProt (Q1PUD9) Pfam (PF00509) In PDB	Influenza A virus
2	B	Hemagglutinin HA2 chain	polymer	181	20837.1	1	UniProt (Q1PUD9) Pfam (PF00509) In PDB	Influenza A virus
3	C, D	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	E	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	1	In PDB GlyTouCan (G42666HT)
5	A	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
6		water	water		18.0	384	Chemie (HOH)

Sequence modifications

B: 1 - 174 (UniProt: Q1PUD9)

PDB	External Database	Details
Ser 175	-	expression tag
Gly 176	-	expression tag
Arg 177	-	expression tag
Leu 178	-	expression tag
Val 179	-	expression tag
Pro 180	-	expression tag
Arg 181	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	56966.7
Branched	Number of molecules	3
	Total formula weight	1597.5
Non-Polymers*	Number of molecules	2
	Total formula weight	442.4
All*	Total formula weight	59006.6

*Water molecules are not included.