2HDU

AmpC beta-lactamase in complex with 2-acetamidothiophene-3-carboxylic acid

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 K12	Cephalosporinase
2	C, D, G, H, I... (A, B)	2-(ACETYLAMINO)THIOPHENE-3-CARBOXYLIC ACID	non-polymer		185.2	8	Chemie (F12)
3	E (B)	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
4	F (B)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
5	M, N (A, B)	water	water		18.0	962	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79175.8
Non-Polymers*	Number of molecules	10
	Total formula weight	1615.7
All*	Total formula weight	80791.5

*Water molecules are not included.