4H52

Wild-type influenza N2 neuraminidase covalent complex with 3-fluoro-Neu5Ac

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Neuraminidase	polymer	388	43054.8	2	UniProt (Q194T1) Pfam (PF00064) In PDB	Influenza A virus
2	C, 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)
3	D, F	alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		748.7	2	In PDB GlyTouCan (G81315DD)
4	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
5	A, B	5-acetamido-3,5-dideoxy-3-fluoro-D-erythro-alpha-L-manno-non-2-ulopyranosonic acid	non-polymer		327.3	2	Chemie (FSI)
6		water	water		18.0	927	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	86109.5
Branched	Number of molecules	4
	Total formula weight	2346.2
Non-Polymers*	Number of molecules	4
	Total formula weight	734.7
All*	Total formula weight	89190.4

*Water molecules are not included.