3IGI

Tertiary Architecture of the Oceanobacillus Iheyensis Group II Intron

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Group IIC intron	polymer	412	133652.2	1
2	B	5'-R(*CP*GP*CP*UP*CP*UP*AP*CP*UP*CP*UP*AP*U)-3'	polymer	13	4015.4	1
3	A	MAGNESIUM ION	non-polymer		24.3	44	Chemie (MG)
4	A	POTASSIUM ION	non-polymer		39.1	22	Chemie (K)
5		water	water		18.0	89	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	137667.6
Non-Polymers*	Number of molecules	66
	Total formula weight	1929.6
All*	Total formula weight	139597.1

*Water molecules are not included.