3IXD

X-ray crystal structure of the extended-spectrum AmpC V298E mutant beta-lactamase at 2.64 Angstrom resolution

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	358	39617.9	2	UniProt (P00811) Pfam (PF00144)	Escherichia coli	Cephalosporinase
2	C, D, E, F, G... (A, B)	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
3	I, J (A, B)	water	water		18.0	211	Chemie (HOH)

Sequence modifications

A, B: 4 - 361 (UniProt: P00811)

PDB	External Database	Details
Glu 298	Val 314	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79235.8
Non-Polymers*	Number of molecules	6
	Total formula weight	576.4
All*	Total formula weight	79812.2

*Water molecules are not included.