5KAL

Terminal uridylyl transferase 4 from Trypanosoma brucei with bound UTP and UpU

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	RNA uridylyltransferase 4	polymer	353	39879.4	2	UniProt (A4UBD5) Pfam (PF22600) Pfam (PF03828) UniProt (by SIFTS) (Q381M1)	Trypanosoma brucei
2	C, D (Y, Z)	RNA (5'-R(*UP*U)-3')	polymer	2	567.4	2		Trypanosoma brucei
3	E, G (A, B)	URIDINE 5'-TRIPHOSPHATE	non-polymer		484.1	2	Chemie (UTP)
4	F, H, I, J, K (A, B, Y, Z)	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)
5	L, M, N, O (A, B, Y, Z)	water	water		18.0	190	Chemie (HOH)

Sequence modifications

A, B: 1 - 333 (UniProt: A4UBD5)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	80893.5
Non-Polymers*	Number of molecules	7
	Total formula weight	1089.8
All*	Total formula weight	81983.3

*Water molecules are not included.