1QMI

Crystal structure of RNA 3'-terminal phosphate cyclase, an ubiquitous enzyme with unusual topology

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	RNA 3'-TERMINAL PHOSPHATE CYCLASE	polymer	347	37248.7	4	UniProt (P46849) Pfam (PF01137) Pfam (PF05189)	ESCHERICHIA COLI	RNA CYCLASE, RNA-3'-PHOSPHATE CYCLASE

Sequence modifications

A, B, C, D: 3 - 339 (UniProt: P46849)

PDB	External Database	Details
Mse 1	-	expression tag
Val 2	-	expression tag
Gly 340	-	expression tag
Ser 341	-	expression tag
His 342	-	expression tag
His 343	-	expression tag
His 344	-	expression tag
His 345	-	expression tag
His 346	-	expression tag
His 347	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	148994.8
All*	Total formula weight	148994.8

*Water molecules are not included.