4AXN

Hallmarks of processive and non-processive glycoside hydrolases revealed from computational and crystallographic studies of the Serratia marcescens chitinases

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)	CHITINASE C1	polymer	328	36244.7	2	UniProt (Q700B8) Pfam (PF00704)	SERRATIA MARCESCENS
2	C, G (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D, E, F, H, I (A, B)	ACETATE ION	non-polymer		59.0	5	Chemie (ACT)
4	J, K (A, B)	water	water		18.0	633	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	72489.5
Non-Polymers*	Number of molecules	7
	Total formula weight	375.4
All*	Total formula weight	72864.8

*Water molecules are not included.