4KZB

Crystal structure of AmpC beta-lactamase in complex with fragment 50 (N-(methylsulfonyl)-N-phenyl-alanine)

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	AmpC beta-lactamase, Cephalosporinase
2	C, D, F, G, I (A, B)	N-(methylsulfonyl)-N-phenyl-L-alanine	non-polymer		243.3	5	Chemie (NZ2)
3	E, H (A, B)	N-(methylsulfonyl)-N-phenyl-D-alanine	non-polymer		243.3	2	Chemie (NZ3)
4	J, K (A, B)	water	water		18.0	959	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79175.8
Non-Polymers*	Number of molecules	7
	Total formula weight	1703.0
All*	Total formula weight	80878.8

*Water molecules are not included.