4N62

Crystal structure of hemagglutinin from an H7N9 influenza virus in complex with a sulfated receptor analog

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Hemagglutinin HA1	polymer	321	34993.6	2	UniProt (R4NN21) Pfam (PF00509) In PDB	Influenza A virus
2	B, D	Hemagglutinin HA2	polymer	183	21081.2	2	UniProt (R4NN21) Pfam (PF00509) In PDB	Influenza A virus
3	E	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	1	In PDB GlyTouCan (G15407YE)
4	F, G	N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-6-O-sulfo-beta-D-glucopyranose	branched		754.7	2	In PDB GlyTouCan (G99745QX)
5	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
6		water	water		18.0	72	Chemie (HOH)

Sequence modifications

B, D: 1 - 176 (UniProt: R4NN21)

PDB	External Database	Details
Ser 177	-	expression tag
Gly 178	-	expression tag
Arg 179	-	expression tag
Leu 180	-	expression tag
Val 181	-	expression tag
Pro 182	-	expression tag
Arg 183	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	112149.5
Branched	Number of molecules	3
	Total formula weight	2095.9
Non-Polymers*	Number of molecules	2
	Total formula weight	442.4
All*	Total formula weight	114687.8

*Water molecules are not included.