3MR1

Crystal structure of methionine aminopeptidase from Rickettsia prowazekii

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	Methionine aminopeptidase	polymer	252	27905.9	4	UniProt (Q9ZCD3) Pfam (PF00557) In PDB	Rickettsia prowazekii	MAP, Peptidase M
2	A, B, C, D	MANGANESE (II) ION	non-polymer		54.9	8	Chemie (MN)
3	A, B, C, D	SODIUM ION	non-polymer		23.0	4	Chemie (NA)
4	A, B, C, D	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
5	D	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
6		water	water		18.0	1073	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 248 (UniProt: Q9ZCD3)

PDB	External Database	Details
Gly -3	-	expression tag
Pro -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Met 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	111623.7
Non-Polymers*	Number of molecules	18
	Total formula weight	982.3
All*	Total formula weight	112605.9

*Water molecules are not included.