4DWW

Crystal Structure of Nattokinase from Bacillus subtilis natto

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Subtilisin NAT	polymer	275	27898.8	1	UniProt (P35835) Pfam (PF00082) In PDB	Bacillus subtilis subsp. natto	Nattokinase
2	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	341	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	27898.8
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	27979.0

*Water molecules are not included.