1CK3

N276D MUTANT OF ESCHERICHIA COLI TEM-1 BETA-LACTAMASE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	BETA-LACTAMASE	polymer	263	28985.1	1	UniProt (P62593) Pfam (PF00144) Pfam (PF13354) In PDB	Escherichia coli
2		water	water		18.0	76	Chemie (HOH)

Sequence modifications

A: 26 - 288 (UniProt: P62593)

PDB	External Database	Details
Ile 84	Val 82	engineered mutation
Val 184	Ala 182	engineered mutation
Asp 276	Asn 272	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28985.1
All*	Total formula weight	28985.1

*Water molecules are not included.