7XS4

Crystal structure of URT1 in complex with AAAU RNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	UTP:RNA uridylyltransferase 1	polymer	364	42337.6	1	UniProt (O64642) Pfam (PF19088) Pfam (PF03828) In PDB	Arabidopsis thaliana (thale cress)
2	B	RNA (5'-R(*AP*AP*AP*U)-3')	polymer	4	1248.8	1		Arabidopsis thaliana
3		water	water		18.0	269	Chemie (HOH)

Sequence modifications

A: 410 - 764 (UniProt: O64642)

PDB	External Database	Details
Met 401	-	initiating methionine
Gly 402	-	expression tag
His 403	-	expression tag
His 404	-	expression tag
His 405	-	expression tag
His 406	-	expression tag
His 407	-	expression tag
His 408	-	expression tag
Met 409	-	expression tag
Ala 547	Asp 547	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	43586.4
All*	Total formula weight	43586.4

*Water molecules are not included.