1V5C

The crystal structure of the inactive form chitosanase from Bacillus sp. K17 at pH3.7

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	chitosanase	polymer	386	43608.7	1	Pfam (PF01270) UniProt (by SIFTS) (Q9ALZ1) In PDB	Bacillus sp.
2	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3		water	water		18.0	325	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	43608.7
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	43704.8

*Water molecules are not included.