4DE1

CTX-M-9 class A beta-lactamase complexed with compound 18

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	263	27955.5	2	UniProt (Q9L5C8) Pfam (PF00144) Pfam (PF13354)	Escherichia coli	Beta-lactamase CTX-M, Beta-lactamase CTX-M-9a, Betalactamase CTX-M-9, CTX-M-9 beta-lactamase, CTX-M-9 extended-spectrum beta-lactamase
2	C, E, G (A, B)	N-[3-(1H-tetrazol-5-yl)phenyl]-2H-indazole-5-carboxamide	non-polymer		305.3	3	Chemie (0J6)
3	D, F (A, B)	DIMETHYL SULFOXIDE	non-polymer		78.1	2	Chemie (DMS)
4	H, I (A, B)	water	water		18.0	752	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	55910.9
Non-Polymers*	Number of molecules	5
	Total formula weight	1072.1
All*	Total formula weight	56983.1

*Water molecules are not included.