1A73

INTRON-ENCODED ENDONUCLEASE I-PPOI COMPLEXED WITH DNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	C, E	DNA (5'-D(*TP*TP*GP*AP*CP*TP*CP*TP*CP*TP*TP*AP*A)-3')	polymer	13	3916.6	2
2	D, F	DNA (5'-D(P*GP*AP*GP*AP*GP*TP*CP*A)-3')	polymer	8	2475.7	2
3	A, B	INTRON 3 (I-PPO) ENCODED ENDONUCLEASE	polymer	163	17811.2	2	UniProt (Q94702) Pfam (PF05551) In PDB	Physarum polycephalum	INTRON-ENCODED ENDONUCLEASE I-PPOI
4	E, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	A, B	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
6		water	water		18.0	391	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	48406.9
Non-Polymers*	Number of molecules	6
	Total formula weight	310.2
All*	Total formula weight	48717.2

*Water molecules are not included.