9PR9

Crystal structure of the Clostridiodes difficile CspA homodimer

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)	Germination-specific protease	polymer	559	61329.4	4	UniProt (A0A9R0BLF4)	Clostridia

Sequence modifications

A, B, C, D: 2 - 551 (UniProt: A0A9R0BLF4)

PDB	External Database	Details
Met 1	-	initiating methionine
Leu 552	-	expression tag
Glu 553	-	expression tag
His 554	-	expression tag
His 555	-	expression tag
His 556	-	expression tag
His 557	-	expression tag
His 558	-	expression tag
His 559	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	245317.8
All*	Total formula weight	245317.8

*Water molecules are not included.