3R7P

The crystal structure of I-LtrI

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Ribosomal protein 3/homing endonuclease-like fusion protein	polymer	315	36015.2	1	UniProt (C7SWF3) Pfam (PF00961) In PDB	Leptographium truncatum
2	B	DNA (5'-D(*GP*GP*TP*CP*TP*AP*AP*AP*CP*GP*TP*CP*GP*TP*AP*T)-3')	polymer	16	4913.2	1
3	C	DNA (5'-D(P*AP*GP*GP*AP*GP*CP*AP*TP*TP*TP*G)-3')	polymer	11	3413.2	1
4	D	DNA (5'-D(*CP*AP*AP*AP*TP*GP*CP*TP*CP*CP*TP*AP*TP*AP*C)-3')	polymer	15	4513.0	1
5	E	DNA (5'-D(P*GP*AP*CP*GP*TP*TP*TP*AP*GP*AP*CP*C)-3')	polymer	12	3662.4	1
6	A	MANGANESE (II) ION	non-polymer		54.9	1	Chemie (MN)
7	A, B, D, E	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
8		water	water		18.0	43	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	52517.0
Non-Polymers*	Number of molecules	5
	Total formula weight	152.2
All*	Total formula weight	52669.2

*Water molecules are not included.