4JNX

Crystal structure of RNA silencing suppressor p19 complexed with double-helical RNA 20mer pG(CUG)6C

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, D)	RNA silencing suppressor p19	polymer	127	14513.2	2	UniProt (P69517) Pfam (PF03220)	Tomato bushy stunt virus (TBSV)	19 kDa symptom severity modulator
2	C, D (B, G)	5'-R(P*GP*CP*UP*GP*CP*UP*GP*CP*UP*GP*CP*UP*GP*CP*UP*GP*CP*UP*GP*C)-3'	polymer	20	6344.8	2
3	E, F, G, H (A, D)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	I, J (D, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	K, L, M, N (A, D, B, G)	water	water		18.0	223	Chemie (HOH)

Sequence modifications

A, D: 5 - 127 (UniProt: P69517)

PDB	External Database	Details
Gly 1	-	expression tag
Ser 2	-	expression tag
His 3	-	expression tag
Met 4	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	41715.9
Non-Polymers*	Number of molecules	6
	Total formula weight	432.9
All*	Total formula weight	42148.8

*Water molecules are not included.