8SJ3

Beta-lactamase CTX-M-14 E166Y/N170G

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 CTX-M-14	polymer	263	27977.6	2	UniProt (H6UQI0) Pfam (PF00144) Pfam (PF13354) UniProt (by SIFTS) (A0A649V088)	Escherichia coli
2	C, D (A, B)	water	water		18.0	506	Chemie (HOH)

Sequence modifications

A, B: 25 - 290 (UniProt: H6UQI0)

PDB	External Database	Details
Tyr 166	Glu 162	engineered mutation
Gly 170	Asn 166	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	55955.1
All*	Total formula weight	55955.1

*Water molecules are not included.