3CGR

X-ray structure containing the pseudouridylated U2 snRNA and intron branch site consensus sequences

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	RNA (5'-R(*GP*CP*GP*CP*GP*GP*(PSU)P*AP*GP*UP*GP*C)-3')	polymer	12	3883.4	1
2	B	RNA (5'-R(*CP*GP*CP*AP*CP*UP*AP*AP*CP*CP*GP*CP*G)-3')	polymer	13	4115.5	1
3	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4		water	water		18.0	81	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	7998.9
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	8095.0

*Water molecules are not included.