1WTE

Crystal structure of type II restrcition endonuclease, EcoO109I complexed with cognate DNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (X)	5'-D(*AP*CP*CP*GP*GP*GP*CP*CP*CP*TP*GP*CP*C)-3'	polymer	13	3913.5	1
2	B (Y)	5'-D(*GP*GP*CP*AP*GP*GP*GP*CP*CP*CP*GP*GP*T)-3'	polymer	13	4033.6	1
3	C, D (A, B)	EcoO109IR	polymer	272	31482.0	2	UniProt (Q9RPJ3)	Escherichia coli	TYPE II RESTRICTION ENDONUCLEASE
4	E, F (A, B)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
5	G, H, I, J (X, Y, A, B)	water	water		18.0	627	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	70911.1
Non-Polymers*	Number of molecules	2
	Total formula weight	46.0
All*	Total formula weight	70957.1

*Water molecules are not included.