4RE6

Acylaminoacyl peptidase complexed with a chloromethylketone inhibitor

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	Acylamino-acid-releasing enzyme	polymer	582	63108.6	4	UniProt (Q9YBQ2) Pfam (PF22173) Pfam (PF00326) In PDB	Aeropyrum pernix	AARE, Acyl-peptide hydrolase, APH, Acylaminoacyl-peptidase
2	A, C	N-[(benzyloxy)carbonyl]glycyl-N-[(2S,3R)-4-chloro-3-hydroxy-1-phenylbutan-2-yl]glycinamide	non-polymer		447.9	2	BIRD (PRD_001053) Chemie (Y3A)
3	A, B, C	CHLORIDE ION	non-polymer		35.5	6	Chemie (CL)
4		water	water		18.0	674	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	252434.2
Non-Polymers*	Number of molecules	8
	Total formula weight	1108.5
All*	Total formula weight	253542.7

*Water molecules are not included.