1XX2

Refinement of P99 beta-lactamase from Enterobacter cloacae

Replaces:  2BLT

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	361	39269.8	2	UniProt (P05364) Pfam (PF00144)	Enterobacter cloacae	Cephalosporinase
2	C, D (A, B)	water	water		18.0	440	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	78539.5
All*	Total formula weight	78539.5

*Water molecules are not included.