4JCY

Crystal structure of the Restriction-Modification Controller Protein C.Csp231I OR operator complex

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)	Csp231I C protein	polymer	98	11380.2	2	UniProt (Q32WH4) Pfam (PF01381)	Citrobacter sp. RFL231
2	C (C)	DNA (5'-D(*AP*AP*AP*CP*TP*AP*AP*GP*AP*AP*AP*AP*TP*CP*TP*TP*AP*GP*CP*AP*A)-3')	polymer	21	6456.3	1
3	D (D)	DNA (5'-D(*TP*TP*GP*CP*TP*AP*AP*GP*AP*TP*TP*TP*TP*CP*TP*TP*AP*GP*TP*TP*T)-3')	polymer	21	6424.2	1
4	E, F, G, H (A, B)	IODIDE ION	non-polymer		126.9	4	Chemie (IOD)
5	I, J, K, L (A, B, C, D)	water	water		18.0	402	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	35640.9
Non-Polymers*	Number of molecules	4
	Total formula weight	507.6
All*	Total formula weight	36148.5

*Water molecules are not included.