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 (A, B)	Neuraminidase	polymer	388	43054.8	2	UniProt (Q194T1)	Influenza A virus
2	C, E (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 (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	G, I (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA) PubChem (271)
5	H, J (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) PubChem (23628524) PubChem (23628525) PubChem (58753593) PubChem (71065668) PubChem (72206646) PubChem (91532921) PubChem (118479993) PubChem (150864) PubChem (448471) PubChem (9949281) PubChem (11450242) PubChem (129678999) PubChem (129715278) PubChem (14101566) PubChem (134972939) PubChem (135016585) PubChem (155168392) PubChem (168356717) PubChem (168373736)
6	K, L (A, B)	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.