8E5D

Crystal structure of double-stranded DNA deaminase toxin DddA in complex with DNA with the target cytosine parked in the major groove

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Double-stranded DNA deaminase toxin A	polymer	139	14686.2	1	UniProt (P0DUH5) Pfam (PF14428)	Burkholderia cenocepacia	DddA,Cytidine deaminase,CD
2	B (C)	DNA (5'-D(*GP*TP*AP*CP*CP*GP*GP*AP*CP*GP*TP*TP*GP*C)-3')	polymer	14	4296.8	1		synthetic construct
3	C (B)	DNA (5'-D(*GP*TP*AP*CP*CP*GP*GP*AP*CP*GP*TP*TP*GP*C)-3')	polymer	14	4265.8	1		synthetic construct
4	D (A)	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
5	E (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
6	F (A)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
7	G, H, I (A, C, B)	water	water		18.0	12	Chemie (HOH)

Sequence modifications

A: 1290 - 1422 (UniProt: P0DUH5)

PDB	External Database	Details
Ala 1347	Glu 1347	engineered mutation
His 1423	-	expression tag
His 1424	-	expression tag
His 1425	-	expression tag
His 1426	-	expression tag
His 1427	-	expression tag
His 1428	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	23248.8
Non-Polymers*	Number of molecules	3
	Total formula weight	184.7
All*	Total formula weight	23433.5

*Water molecules are not included.