7VNJ

Complex structure of Clostridioides difficile enzymatic component (CDTa) and binding component (CDTb) pore with short stem

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, E...	ADP-ribosylating binary toxin binding subunit CdtB	polymer	675	75657.1	7	UniProt (A8DS70) Pfam (PF03495) Pfam (PF17475) Pfam (PF17476) In PDB	Clostridioides difficile	CdtB
2	H	ADP-ribosyltransferase enzymatic component	polymer	428	49420.5	1	UniProt (Q9KH42) Pfam (PF03496) In PDB	Clostridioides difficile	CdtA
3	G, A, B, C, D...	CALCIUM ION	non-polymer		40.1	21	Chemie (CA)

Sequence modifications

H: 1 - 413 (UniProt: Q9KH42)

PDB	External Database	Details
Glu 414	-	expression tag
Asn 415	-	expression tag
Leu 416	-	expression tag
Tyr 417	-	expression tag
Phe 418	-	expression tag
Gln 419	-	expression tag
Gly 420	-	expression tag
Leu 421	-	expression tag
Glu 422	-	expression tag
His 423	-	expression tag
His 424	-	expression tag
His 425	-	expression tag
His 426	-	expression tag
His 427	-	expression tag
His 428	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	579020.5
Non-Polymers*	Number of molecules	21
	Total formula weight	841.6
All*	Total formula weight	579862.1

*Water molecules are not included.