1MXO

AmpC beta-lactamase in complex with an m.carboxyphenylglycylboronic acid bearing the cephalothin R1 side chain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Beta-lactamase	polymer	358	39587.9	2	UniProt (P00811) Pfam (PF00144) In PDB	Escherichia coli	Cephalosporinase
2	A	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
3	A, B	(1R)-1-(2-THIENYLACETYLAMINO)-1-(3-CARBOXYPHENYL)METHYLBORONIC ACID	non-polymer		319.1	2	Chemie (SM2)
4		water	water		18.0	469	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79175.8
Non-Polymers*	Number of molecules	3
	Total formula weight	733.3
All*	Total formula weight	79909.1

*Water molecules are not included.