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4KNQ

Crystal structure of 1nt-5'-overhanging double-helical CCG-repetitive RNA 20mer complexed with RSS p19

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(B)
5'-R(P*CP*CP*GP*CP*CP*GP*CP*CP*GP*CP*CP*GP*CP*CP*GP*CP*CP*GP*CP*G)-3'polymer206338.81
2B
(A)
RNA silencing suppressor p19polymer12714513.21UniProt (P69517)
Pfam (PF03220)
Tomato bushy stunt virus (TBSV)19 kDa symptom severity modulator
3C, D, E
(B, A)
SULFATE IONnon-polymer96.13Chemie (SO4)
4F, G
(B, A)
waterwater18.0144Chemie (HOH)
Sequence modifications
A: 5 - 127 (UniProt: P69517)
PDBExternal DatabaseDetails
Gly 1-expression tag
Ser 2-expression tag
His 3-expression tag
Met 4-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight20852.1
Non-Polymers*Number of molecules3
Total formula weight288.2
All*Total formula weight21140.2
*Water molecules are not included.

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PDB entries from 2025-12-17

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