3H73

Crystal structure of Streptococcus pneumoniae D39 neuraminidase A precursor (NanA) in complex with DANA

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	53571.9	2	UniProt (P62576) Pfam (PF02012)	Streptococcus pneumoniae	Neuraminidase A
2	C, D (A, B)	2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID	non-polymer		291.3	2	Chemie (DAN)
3	E, F (A, B)	water	water		18.0	1539	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	107143.8
Non-Polymers*	Number of molecules	2
	Total formula weight	582.5
All*	Total formula weight	107726.3

*Water molecules are not included.