7FGB

A naturally-occurring neuraminidase-inhibitors-resistant NA from asiatic toad influenza B-like virus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	toad NA	polymer	489	53583.8	2	Pfam (PF00064) UniProt (by SIFTS) (A0A2P1GNT2) In PDB	unidentified influenza virus
2	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
5		water	water		18.0	744	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	107167.6
Non-Polymers*	Number of molecules	6
	Total formula weight	714.7
All*	Total formula weight	107882.3

*Water molecules are not included.