2F1N

Structure of CdtB, the biologically active subunit of Cytolethal Distending Toxin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Cytolethal distending toxin subunit B	polymer	262	28768.3	1	UniProt (Q46669) Pfam (PF03372) In PDB	Escherichia coli	CDT B
2		water	water		18.0	154	Chemie (HOH)

Sequence modifications

A: 1 - 251 (UniProt: Q46669)

PDB	External Database	Details
Met -10	-	cloning artifact
Ala -9	-	cloning artifact
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
Val -2	-	cloning artifact
Gly -1	-	cloning artifact
Thr 0	-	cloning artifact
Arg 57	Thr 75	SEE REMARK 999
Val 58	Leu 76	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28768.3
All*	Total formula weight	28768.3

*Water molecules are not included.