1GYT

E. coli Aminopeptidase A (PepA)

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, E... (A, B, C, D, E...)	CYTOSOL AMINOPEPTIDASE	polymer	503	54945.7	12	UniProt (P11648) Pfam (PF02789) Pfam (PF00883) UniProt (by SIFTS) (P68767)	ESCHERICHIA COLI K-12	LEUCINE AMINOPEPTIDASE, LAP, LEUCYL AMINOPEPTIDASE, AMINOPEPTIDASE A/I
2	AA, CA, DA, GA, HA... (E, F, G, H, A...)	ZINC ION	non-polymer		65.4	24	Chemie (ZN)
3	BA, EA, IA, MA, O... (E, F, G, H, A...)	CARBONATE ION	non-polymer		60.0	12	Chemie (CO3)
4	FA, JA, S, WA (F, G, B, K)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
5	AB, BB, CB, DB, EB... (A, B, C, D, E...)	water	water		18.0	3724	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	659348.1
Non-Polymers*	Number of molecules	40
	Total formula weight	2431.7
All*	Total formula weight	661779.8

*Water molecules are not included.