2I2Y

Solution structure of the RRM of SRp20 bound to the RNA CAUC

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (B)	(5'-R(*CP*AP*UP*C)-3')	polymer	4	1200.8	1
2	B (A)	Fusion protein consists of immunoglobulin G-Binding Protein G and Splicing factor, arginine/serine-rich 3	polymer	150	16860.7	1	UniProt (P19909) UniProt (P84103) Pfam (PF01378) Pfam (PF00076)	Streptococcus sp. 'group G' Homo sapiens ( human)	Pre-mRNA-splicing factor SRP20

Sequence modifications

A: 3 - 56 (UniProt: P19909)

PDB	External Database	Details
Met 1	-	cloning artifact
Gln 2	-	cloning artifact
Gly 57	-	cloning artifact
Ser 58	-	cloning artifact

A: 65 - 150 (UniProt: P84103)

PDB	External Database	Details
His 59	-	expression tag
His 60	-	expression tag
His 61	-	expression tag
His 62	-	expression tag
His 63	-	expression tag
His 64	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	18061.5
All*	Total formula weight	18061.5

*Water molecules are not included.