8RQU

Structure of TEM1 beta-lactamase variant 70.a

Replaces:  8OF9

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)	Beta-lactamase TEM-1	polymer	266	28554.5	2		Escherichia coli
2	C (B)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	D, E (A, B)	water	water		18.0	69	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57108.9
Non-Polymers*	Number of molecules	1
	Total formula weight	24.3
All*	Total formula weight	57133.2

*Water molecules are not included.