4OLD

Crystal structure of AmpC beta-lactamase in complex with the product form of (6R,7R)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

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	polymer	358	39587.9	2	UniProt (P00811) Pfam (PF00144)	Escherichia coli	Cephalosporinase
2	C, F (A, B)	(2R)-2-[(R)-amino(carboxy)methyl]-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid	non-polymer		218.2	2	Chemie (2UZ)
3	D, E, G (A, B)	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
4	H, I (A, B)	water	water		18.0	617	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79175.8
Non-Polymers*	Number of molecules	5
	Total formula weight	721.4
All*	Total formula weight	79897.2

*Water molecules are not included.