8OI4

Metagenomic Beta-galactosidase from Glycoside Hydrolase family GH154

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Beta-galactosidase	polymer	398	46258.2	4		organismal metagenomes
2	E, F, H, K, N... (A, B, C, D)	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
3	G, I, J, L, M... (A, B, C, D)	CHLORIDE ION	non-polymer		35.5	6	Chemie (CL)
4	Q, R, S, T (A, B, C, D)	water	water		18.0	877	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	185032.7
Non-Polymers*	Number of molecules	12
	Total formula weight	765.3
All*	Total formula weight	185798.0

*Water molecules are not included.