4UHU

W229D mutant of the last common ancestor of Gram-negative bacteria (GNCA) beta-lactamase class A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	GNCA LACTAMASE W229D	polymer	268	28762.4	1		SYNTHETIC CONSTRUCT
2	A	FORMIC ACID	non-polymer		46.0	3	Chemie (FMT)
3	A	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
4		water	water		18.0	265	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28762.4
Non-Polymers*	Number of molecules	5
	Total formula weight	256.2
All*	Total formula weight	29018.5

*Water molecules are not included.