3QQB

Crystal structure of HA2 R106H mutant of H2 hemagglutinin, neutral pH form

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	327	36504.2	1	UniProt (C7S226) Pfam (PF00509) In PDB	Influenza A virus
2	B	Hemagglutinin	polymer	174	20120.2	1	UniProt (C7S226) Pfam (PF00509) In PDB	Influenza A virus
3	C	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	1	In PDB GlyTouCan (G42666HT)
4	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
5	A	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
6	B	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
7		water	water		18.0	540	Chemie (HOH)

Sequence modifications

A: 10 - 329 (UniProt: C7S226)

PDB	External Database	Details
Pro 9	-	expression tag

B: 1 - 174 (UniProt: C7S226)

PDB	External Database	Details
His 106	Arg 446	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	56624.5
Branched	Number of molecules	1
	Total formula weight	424.4
Non-Polymers*	Number of molecules	4
	Total formula weight	610.6
All*	Total formula weight	57659.5

*Water molecules are not included.