2NLZ

Crystal structure of cephalosporin acylase from Bacillus halodurans

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	Cephalosporin acylase	polymer	547	59937.4	4	UniProt (Q9KEI5) Pfam (PF01019) In PDB	Bacillus halodurans
2		water	water		18.0	281	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 539 (UniProt: Q9KEI5)

PDB	External Database	Details
Val 170	Phe 170	engineered mutation
Glu 540	-	cloning artifact
Gly 541	-	cloning artifact
His 542	-	expression tag
His 543	-	expression tag
His 544	-	expression tag
His 545	-	expression tag
His 546	-	expression tag
His 547	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	239749.5
All*	Total formula weight	239749.5

*Water molecules are not included.