5C9F

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 (A, B, C, D)	ApRick protease	polymer	139	15722.1	4	UniProt (Q92FY8) Pfam (PF13975)	Rickettsia conorii
2	E, F, G, H, I... (A, B, C, D)	CHLORIDE ION	non-polymer		35.5	12	Chemie (CL)
3	J, R, S (B, D)	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
4	T, U, V, W (A, B, C, D)	water	water		18.0	213	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Met 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	62888.5
Non-Polymers*	Number of molecules	15
	Total formula weight	494.4
All*	Total formula weight	63382.9

*Water molecules are not included.