1CL8

A PRE-TRANSITION STATE ECO RI ENDONUCLEASE/COGNATE DNA (TCGCGAPTTCGCG) COMPLEX WITH DNA BASE ANALOG PURINE (P)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B	DNA (5'-D(*TP*CP*GP*CP*GP*AP*(PRN)P*TP*TP*CP*GP*CP*G)-3')	polymer	13	3952.6	1
2	A	PROTEIN (ENDONUCLEASE)	polymer	276	30970.2	1	UniProt (P00642) Pfam (PF02963) In PDB	Escherichia coli
3		water	water		18.0	155	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34922.8
All*	Total formula weight	34922.8

*Water molecules are not included.