6EKO

Crystal structure of Type IIP restriction endonuclease PfoI 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, B (A, B)	Restriction endonuclease PfoI	polymer	312	35587.7	2	UniProt (by SIFTS) (A0A452CST9)	Pseudomonas fluorescens
2	C, D (F, E)	DNA (5'-D(*CP*GP*CP*TP*CP*CP*CP*GP*GP*AP*GP*CP*GP*T)-3')	polymer	14	4257.8	2		Pseudomonas fluorescens
3	E, F, G, H (A, B)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4	I, J, K, L (A, B, F, E)	water	water		18.0	263	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	79690.9
Non-Polymers*	Number of molecules	4
	Total formula weight	160.3
All*	Total formula weight	79851.2

*Water molecules are not included.