5KMT

CTX-M9 mutant L48A

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	290	30838.1	2	UniProt (Q9L5C8) Pfam (PF00144) Pfam (PF13354)	Escherichia coli
2	C, D, H, I (A, B)	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
3	E, F, G, J (A, B)	POTASSIUM ION	non-polymer		39.1	4	Chemie (K)
4	K, L (A, B)	water	water		18.0	448	Chemie (HOH)

Sequence modifications

A, B: 1 - 288 (UniProt: Q9L5C8)

PDB	External Database	Details
Met -1	-	initiating methionine
Val 0	-	expression tag
Ala 49	Leu 52	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	61676.1
Non-Polymers*	Number of molecules	8
	Total formula weight	536.3
All*	Total formula weight	62212.4

*Water molecules are not included.