9VO4

X-ray structure of Clostridium perfringens pili CppB-CppA covalent complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	Probable surface protein	polymer	453	49983.3	2	UniProt (Q8XP10) Pfam (PF16569) Pfam (PF17802)	Clostridium perfringens str. 13
2	B, D (B, D)	SpaA-like prealbumin fold domain-containing protein	polymer	657	74482.7	2	UniProt (Q8XP11) Pfam (PF17802)	Clostridium perfringens str. 13	CppB

Sequence modifications

A, C: 30 - 475 (UniProt: Q8XP10)

PDB	External Database	Details
Met 29	-	initiating methionine
His 476	-	expression tag
His 477	-	expression tag
His 478	-	expression tag
His 479	-	expression tag
His 480	-	expression tag
His 481	-	expression tag

B, D: 33 - 688 (UniProt: Q8XP11)

PDB	External Database	Details
Met 32	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	248932.1
All*	Total formula weight	248932.1

*Water molecules are not included.