2IUZ

Crystal structure of Aspergillus fumigatus chitinase B1 in complex with C2-dicaffeine

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	ASPERGILLUS FUMIGATUS CHITINASE B1, CLASS V CHITINASE CHIB1
2	C, D, E, F, G... (A, B)	SULFATE ION	non-polymer		96.1	11	Chemie (SO4)
3	I, O (A, B)	1,1'-ETHANE-1,2-DIYLBIS(3,7-DIMETHYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE)	non-polymer		386.4	2	Chemie (D1H)
4	P, Q (A, B)	water	water		18.0	881	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	95323.7
Non-Polymers*	Number of molecules	13
	Total formula weight	1829.4
All*	Total formula weight	97153.1

*Water molecules are not included.