7QA4

Crystal structure of stabilized H3N2 A/Hong Kong/1/1968 Hemagglutinin at 2.2 Angstrom

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Hemagglutinin	polymer	512	57131.7	1	UniProt (Q91MA7) Pfam (PF00509) In PDB	Influenza A virus (strain A/Hong Kong/1/1968 H3N2)
2	B	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)
3	C	alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		910.8	1	In PDB GlyTouCan (G22768VO)
4	D, E	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
5	A	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	1	Chemie (NAG)
6	A	NITRATE ION	non-polymer		62.0	1	Chemie (NO3)
7		water	water		18.0	134	Chemie (HOH)

Sequence modifications

A: 1 - 505 (UniProt: Q91MA7)

PDB	External Database	Details
Trp 355	His 371	conflict
Ile 380	Lys 396	conflict
Ile 432	Glu 448	conflict
Gly 506	-	expression tag
Gly 507	-	expression tag
Ser 508	-	expression tag
Glu 509	-	expression tag
Pro 510	-	expression tag
Glu 511	-	expression tag
Ala 512	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	57131.7
Branched	Number of molecules	4
	Total formula weight	2346.2
Non-Polymers*	Number of molecules	2
	Total formula weight	283.2
All*	Total formula weight	59761.1

*Water molecules are not included.