3CHE

Crystal structure of Aspergillus fumigatus chitinase B1 in complex with tripeptide

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	polymer	433	47661.8	2	UniProt (Q873X9) Pfam (PF00704)	Aspergillus fumigatus	Class V chitinase ChiB1
2	C, D (C, D)	Peptide inhibitor	polymer	4	533.6	2
3	E, F, G, H, I... (A, B)	SULFATE ION	non-polymer		96.1	12	Chemie (SO4)
4	Q, R, S, T (A, B, C, D)	water	water		18.0	910	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	96390.8
Non-Polymers*	Number of molecules	12
	Total formula weight	1152.8
All*	Total formula weight	97543.6

*Water molecules are not included.