3H71

Crystal structure of Streptococcus pneumoniae D39 neuraminidase A precursor (NanA)

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)	Sialidase A	polymer	477	54134.6	2	UniProt (P62576) Pfam (PF02012)	Streptococcus pneumoniae	Neuraminidase A
2	C, D (A, B)	water	water		18.0	1745	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	108269.3
All*	Total formula weight	108269.3

*Water molecules are not included.