4FZZ

Exonuclease X in complex with 5' overhanging duplex DNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	D, C	DNA (5'-D(*GP*TP*CP*AP*TP*TP*GP*TP*GP*GP*AP*TP*CP*CP*GP*AP*G)-3')	polymer	17	5258.4	2
2	A, B	Exodeoxyribonuclease 10	polymer	175	20065.2	2	UniProt (P0AEK0) Pfam (PF00929) In PDB	Escherichia coli	Exodeoxyribonuclease X, Exo X, Exonuclease X
3	D, C, A, B	SODIUM ION	non-polymer		23.0	4	Chemie (NA)
4		water	water		18.0	30	Chemie (HOH)

Sequence modifications

A, B: 1 - 167 (UniProt: P0AEK0)

PDB	External Database	Details
Leu 168	-	expression tag
Glu 169	-	expression tag
His 170	-	expression tag
His 171	-	expression tag
His 172	-	expression tag
His 173	-	expression tag
His 174	-	expression tag
His 175	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	50647.2
Non-Polymers*	Number of molecules	4
	Total formula weight	92.0
All*	Total formula weight	50739.2

*Water molecules are not included.