3BVQ

Crystal Structure of Apo NotI Restriction Endonuclease

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	NotI restriction endonuclease	polymer	383	42753.3	2	UniProt (Q2I6W2) In PDB	Nocardia otitidiscaviarum
2	A, B	FE (III) ION	non-polymer		55.8	2	Chemie (FE)
3	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	85506.5
Non-Polymers*	Number of molecules	4
	Total formula weight	303.8
All*	Total formula weight	85810.3

*Water molecules are not included.