4DE3

CTX-M-9 class A beta-lactamase complexed with compound 4

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, D, E, F, G... (A, B)	3-bromo-N-[3-(1H-tetrazol-5-yl)phenyl]benzamide	non-polymer		344.2	11	Chemie (DN8)
3	I, O (A, B)	DIMETHYL SULFOXIDE	non-polymer		78.1	2	Chemie (DMS)
4	P, Q (A, B)	water	water		18.0	480	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	55910.9
Non-Polymers*	Number of molecules	13
	Total formula weight	3942.1
All*	Total formula weight	59853.0

*Water molecules are not included.