6D7H

CTX-M-14 Apoenzyme

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Beta-lactamase	polymer	263	28000.5	1	UniProt (Q9L5C7) Pfam (PF00144) Pfam (PF13354) UniProt (by SIFTS) (H6UQI0)	Escherichia coli
2	B (A)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
3	C, D, E, F (A)	POTASSIUM ION	non-polymer		39.1	4	Chemie (K)
4	G (A)	water	water		18.0	272	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28000.5
Non-Polymers*	Number of molecules	5
	Total formula weight	251.4
All*	Total formula weight	28251.9

*Water molecules are not included.