1N4O

Crystal structure of the Class A beta-lactamase L2 from Stenotrophomonas maltophilia

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	L2 beta-lactamase	polymer	276	29164.1	2	UniProt (Q9RBQ1) Pfam (PF00144) Pfam (PF13354) In PDB	Stenotrophomonas maltophilia
2	A, B	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3		water	water		18.0	315	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	58328.1
Non-Polymers*	Number of molecules	4
	Total formula weight	384.3
All*	Total formula weight	58712.4

*Water molecules are not included.