4FZX

Exonuclease X in complex with 3' 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	A (B)	DNA (5'-D(P*GP*TP*CP*AP*TP*TP*GP*TP*GP*GP*AP*TP*CP*CP*GP*AP*G)-3')	polymer	17	5258.4	1
2	B (A)	DNA (5'-D(P*CP*GP*GP*AP*TP*CP*CP*AP*CP*AP*AP*TP*GP*AP*CP*CP*T)-3')	polymer	17	5156.4	1
3	C, D (C, D)	Exodeoxyribonuclease 10	polymer	175	20487.3	2	UniProt (P0AEK0) Pfam (PF00929)	Escherichia coli	Exodeoxyribonuclease X, Exo X, Exonuclease X
4	E, F, G, H (B, A, C, D)	SODIUM ION	non-polymer		23.0	4	Chemie (NA)
5	I, J, K, L (B, A, C, D)	water	water		18.0	149	Chemie (HOH)

Sequence modifications

C, D: 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	51389.3
Non-Polymers*	Number of molecules	4
	Total formula weight	92.0
All*	Total formula weight	51481.3

*Water molecules are not included.