5C9B

Crystal structure of a retropepsin-like aspartic protease from Rickettsia conorii

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	ApRick protease	polymer	139	15862.8	4	UniProt (Q92FY8) Pfam (PF13975) In PDB	Rickettsia conorii
2		water	water		18.0	128	Chemie (HOH)

Sequence modifications

A, B, C, D: 105 - 231 (UniProt: Q92FY8)

PDB	External Database	Details
Mse 104	-	initiating methionine
Ala 232	-	expression tag
Ala 233	-	expression tag
Ala 234	-	expression tag
Leu 235	-	expression tag
Glu 236	-	expression tag
His 237	-	expression tag
His 238	-	expression tag
His 239	-	expression tag
His 240	-	expression tag
His 241	-	expression tag
His 242	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	63451.2
All*	Total formula weight	63451.2

*Water molecules are not included.