4KG2

Crystal Structure of AmpC beta-lactamase from E. coli in Complex with Cefotaxime

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, A	Beta-lactamase	polymer	358	39587.9	2	UniProt (P00811) Pfam (PF00144) In PDB	Escherichia coli	Cephalosporinase
2	B, A	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
3	B, A	CEFOTAXIME, C3' cleaved, open, bound form	non-polymer		397.4	2	Chemie (CEF)
4		water	water		18.0	259	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79175.8
Non-Polymers*	Number of molecules	6
	Total formula weight	1174.7
All*	Total formula weight	80350.6

*Water molecules are not included.