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PKB-number: PKB58
Definition: Pseudoknot PK3 of the upstream pseudoknot domain (UPD1) of the 3'-UTR of odontoglossum ringspot virus, Singapore isolate
Organism: odontoglossum ringspot virus
Abbreviation: ORSV-S1_UPD1-PK3
RNA type: Viral 3 UTR
Keywords: tobamovirus; translational regulation
EMBL number: U34586
Submitted by: A.P.Gultyaev (
Supported by: Sequence comparison
References: [1] Chng C.G. et al. (1996). Gene 171:155-161.
[2] Gultyaev A.P. et al. (1994). J.Gen.Virol. 75:2851-2856.
Comment: The 3'-UTR of ORSV RNA contains three (slightly different) upstream pseudoknot domains (UPD1, UPD2 and UPD3, numbered from the 3'end). The UPD1 includes only PK2 and PK3; there is no homologue of PK1 (present in the UPD3).
Stem sizes:
Loop sizes:
4 5
5 0 6
Position Paired:
6473-6476; 6487-6490
6482-6485; 6499-6502
6486-6486; 6497-6497
Bracket view of structure:
                6480      6490      6500
     #      3456789|123456789|123456789|12
     % 6473 ((((:::::[[[[[))))::::::]:]]]]

© final design and maintenance: F.H.D.(Eke) van Batenburg; 1999-5-27 PKB00058.html