1LL5

X-ray crystal structure of AmpC WT beta-lactamase in complex with covalently bound imipenem

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, D (A, B)	(5R)-5-[(1S,2R)-1-formyl-2-hydroxypropyl]-3-[(2-{[(E)-iminomethyl]amino}ethyl)sulfanyl]-4,5-dihydro-1H-pyrrole-2-carbox ylic acid	non-polymer		301.4	2	Chemie (IM2)
3	E, F (A, B)	water	water		18.0	247	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79175.8
Non-Polymers*	Number of molecules	2
	Total formula weight	602.7
All*	Total formula weight	79778.6

*Water molecules are not included.