2XNR

Structural insights into cis element recognition of non- polyadenylated RNAs by the Nab3-RRM

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	NUCLEAR POLYADENYLATED RNA-BINDING PROTEIN 3	polymer	97	11034.6	1	UniProt (P38996) Pfam (PF00076) In PDB	SACCHAROMYCES CEREVISIAE (BAKER'S YEAST)
2	C	5'-R(*UP*UP*CP*UP*UP*AP*UP*UP*CP*UP*UP*A)-3'	polymer	12	3673.1	1		SACCHAROMYCES CEREVISIAE
3	A	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
4		water	water		18.0	47	Chemie (HOH)

Sequence modifications

A: 329 - 404 (UniProt: P38996)

PDB	External Database	Details
Met 308	-	expression tag
Gly 309	-	expression tag
Ser 310	-	expression tag
Ser 311	-	expression tag
His 312	-	expression tag
His 313	-	expression tag
His 314	-	expression tag
His 315	-	expression tag
His 316	-	expression tag
His 317	-	expression tag
Ser 318	-	expression tag
Ser 319	-	expression tag
Gly 320	-	expression tag
Leu 321	-	expression tag
Val 322	-	expression tag
Pro 323	-	expression tag
Arg 324	-	expression tag
Gly 325	-	expression tag
Ser 326	-	expression tag
His 327	-	expression tag
Met 328	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	14707.7
Non-Polymers*	Number of molecules	2
	Total formula weight	118.1
All*	Total formula weight	14825.8

*Water molecules are not included.