8DDZ

TEM-1 beta-lactamase A237Y

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Beta-lactamase TEM	polymer	264	29061.1	4	UniProt (P62593) Pfam (PF00144) Pfam (PF13354) In PDB	Escherichia coli	TEM-1
2		water	water		18.0	714	Chemie (HOH)

Sequence modifications

A, B, C, D: 26 - 288 (UniProt: P62593)

PDB	External Database	Details
Gly 25	-	expression tag
Thr 182	Met 180	engineered mutation
Tyr 237	Ala 235	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	116244.2
All*	Total formula weight	116244.2

*Water molecules are not included.