4WC1

Structure of tRNA-processing enzyme with CTP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Poly A polymerase	polymer	396	46550.7	2	UniProt (O66728) Pfam (PF01743) In PDB	Aquifex aeolicus	A-adding enzyme
2	A, B	CYTIDINE-5'-TRIPHOSPHATE	non-polymer		483.2	2	Chemie (CTP)

Sequence modifications

A, B: 2 - 383 (UniProt: O66728)

PDB	External Database	Details
Met 1	-	expression tag
Lys 384	-	expression tag
Leu 385	-	expression tag
Ala 386	-	expression tag
Ala 387	-	expression tag
Ala 388	-	expression tag
Leu 389	-	expression tag
Glu 390	-	expression tag
His 391	-	expression tag
His 392	-	expression tag
His 393	-	expression tag
His 394	-	expression tag
His 395	-	expression tag
His 396	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	93101.4
Non-Polymers*	Number of molecules	2
	Total formula weight	966.3
All*	Total formula weight	94067.7

*Water molecules are not included.