1ST3

THE CRYSTAL STRUCTURE OF THE BACILLUS LENTUS ALKALINE PROTEASE, SUBTILISIN BL, AT 1.4 ANGSTROMS RESOLUTION

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	SUBTILISIN BL	polymer	269	26830.5	1	UniProt (P29599) Pfam (PF00082) In PDB	Bacillus lentus
2	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	157	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	26830.5
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	26910.7

*Water molecules are not included.