3B2P

Crystal structure of E. coli Aminopeptidase N in complex with arginine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Aminopeptidase N	polymer	891	101441.2	1	UniProt (P04825) Pfam (PF17900) Pfam (PF01433) Pfam (PF11940) Pfam (PF17432) In PDB	Escherichia coli K12	Alpha-aminoacylpeptide hydrolase
2	A	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
3	A	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
4	A	ARGININE	non-polymer		175.2	1	Chemie (ARG)
5	A	MALONATE ION	non-polymer		102.0	1	Chemie (MLI)
6	A	GLYCEROL	non-polymer		92.1	11	Chemie (GOL)
7		water	water		18.0	765	Chemie (HOH)

Sequence modifications

A: 1 - 870 (UniProt: P04825)

PDB	External Database	Details
Met -20	-	expression tag
Gly -19	-	expression tag
Ser -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
Gly -8	-	expression tag
Glu -7	-	expression tag
Asn -6	-	expression tag
Leu -5	-	expression tag
Tyr -4	-	expression tag
Phe -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	101441.2
Non-Polymers*	Number of molecules	16
	Total formula weight	1401.7
All*	Total formula weight	102842.9

*Water molecules are not included.