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Note: (i) 0 indicates modification in opposite strand. (ii) Multiple modifications are separated bt asterisk (*).
  • By modification in sense strand

  • By modification position in sense strand

  • By modification in antisense strand

  • By modification position in antisense strand

  • Reference
  • Total number of Results for Unlocked nucleic acid are 133
    Results from 0 - 25
    SMDBidsiRNA (sense/antisense) 5'>3'Modification (sense/antisense)Position (sense/antisense) Modified component (sense/antisense) Efficacy (%)Reference
    SM1983
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    2-Aminoethyl
    Unlocked nucleic acid
    18
    21
    Sugar
    Sugar
    86 percent target mRNA inhibition
    19282453
    SM1984
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    2-Guanidinoethyl
    Unlocked nucleic acid
    18
    21
    Sugar
    Sugar
    78.8 percent target mRNA inhibition
    19282453
    SM1985
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    Hexitol nucleic acid
    Unlocked nucleic acid
    2,8,14,17
    21
    Sugar
    Sugar
    65.3 percent target mRNA inhibition
    19282453
    SM1986
    GACGUAAACGGCCACAAGUUCT
    ACUUGUGGCCGUUUACGUCGCU
    Hexitol nucleic acid
    Unlocked nucleic acid
    5,8,14,17,22
    21
    Sugar
    Sugar
    16.5 percent target mRNA inhibition
    19282453
    SM1987
    GACGUAAACGGCCACAAGUUCT
    ACUUGUGGCCGUUUACGUCGCU
    Altritol nucleic acid* 2-Deoxy
    Unlocked nucleic acid
    1,2 * 22
    21
    Sugar
    Sugar
    74.6 percent target mRNA inhibition
    19282453
    SM1988
    GACGUAAACGGCCACAAGUUCT
    ACUUGUGGCCGUUUACGUCGCU
    Altritol nucleic acid* 2-Deoxy
    Unlocked nucleic acid
    18,19 * 22
    21
    Sugar
    Sugar
    79.1 percent target mRNA inhibition
    19282453
    SM1989
    GACGUAAACGGCCACAAGUUCT
    ACUUGUGGCCGUUUACGUCGCU
    Altritol nucleic acid* 2-Deoxy
    Unlocked nucleic acid
    5,8,11,14,17 * 22
    21
    Sugar
    Sugar
    38.6 percent target mRNA inhibition
    19282453
    SM1990
    GACGUAAACGGCCACAAGUUCU
    ACUUGUGGCCGUUUACGUCGCU
    Altritol nucleic acid
    Unlocked nucleic acid
    20,21
    21
    Sugar
    Sugar
    72 percent target mRNA inhibition
    19282453
    SM1991
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    Hexitol nucleic acid
    Unlocked nucleic acid
    19,20
    21
    Sugar
    Sugar
    84.2 percent target mRNA inhibition
    19282453
    SM1992
    GACGUAAACGGCCACAAGUUT
    ACUUGUGGCCGUUUACGUCGCU
    Hexitol nucleic acid* 2-Deoxy
    Unlocked nucleic acid
    1,2,3,18,19,20 * 21
    21
    Sugar
    Sugar
    78.2 percent target mRNA inhibition
    19282453
    SM1993
    GACGUAAACGGCCACAAGUUT
    ACUUGUGGCCGUUUACGUCGCU
    Hexitol nucleic acid* 2-Deoxy
    Unlocked nucleic acid
    5,8,11,14 * 21
    21
    Sugar
    Sugar
    52.8 percent target mRNA inhibition
    19282453
    SM1994
    GACGUAAACGGCCACAAGUUT
    ACUUGUGGCCGUUUACGUCGCU
    Hexitol nucleic acid* 2-Deoxy
    Unlocked nucleic acid
    5,8,11,14,19,20 * 21
    21
    Sugar
    Sugar
    73.3 percent target mRNA inhibition
    19282453
    SM1995
    GACGUAAACGGCCACAAGUUT
    ACUUGUGGCCGUUUACGUCGCU
    2-Aminoethoxymethyl* 2-Deoxy
    Unlocked nucleic acid
    19,20 * 21
    21
    Sugar
    Sugar
    78 percent target mRNA inhibition
    19282453
    SM1996
    GACGUAAACGGCCACAAGUUT
    ACUUGUGGCCGUUUACGUCGCU
    2-Aminoethoxymethyl* 2-Deoxy
    Unlocked nucleic acid
    3,5,9,19,20 * 21
    21
    Sugar
    Sugar
    78.1 percent target mRNA inhibition
    19282453
    SM1997
    GACGUAAACGGCCACAAGUUT
    ACUUGUGGCCGUUUACGUCGCU
    2-Aminopropoxymethyl* 2-Deoxy
    Unlocked nucleic acid
    19,20 * 21
    21
    Sugar
    Sugar
    80 percent target mRNA inhibition
    19282453
    SM1998
    GACGUAAACGGCCACAAGUUT
    ACUUGUGGCCGUUUACGUCGCU
    2-Aminopropoxymethyl* 2-Deoxy
    Unlocked nucleic acid
    3,5,9,19,20 * 21
    21
    Sugar
    Sugar
    71.3 percent target mRNA inhibition
    19282453
    SM1999
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    Oxetane-Locked nucleic acid
    Unlocked nucleic acid
    16,18
    21
    Sugar
    Sugar
    85.7 percent target mRNA inhibition
    19282453
    SM2000
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    Oxetane-Locked nucleic acid
    Unlocked nucleic acid
    2,4
    21
    Sugar
    Sugar
    72.4 percent target mRNA inhibition
    19282453
    SM2001
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    2-Fluoro* 2-O-Methyl
    Unlocked nucleic acid
    1,3,5,7,9,11,13,15,17,19,21 * 2,4,6,8,10,12,14,16,18,20
    21
    Sugar
    Sugar
    73.8 percent target mRNA inhibition
    19282453
    SM2002
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    2-Aminoethyl
    Unlocked nucleic acid
    20
    21
    Sugar
    Sugar
    77.9 percent target mRNA inhibition
    19282453
    SM2003
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    2-Aminoethyl
    Unlocked nucleic acid
    19
    21
    Sugar
    Sugar
    77.7 percent target mRNA inhibition
    19282453
    SM2004
    GACGUAAACGGCCACAAGUUC
    ACUUGUGGCCGUUUACGUCGCU
    2-Aminoethyl
    Unlocked nucleic acid
    5,19,20
    21
    Sugar
    Sugar
    72.2 percent target mRNA inhibition
    19282453
    SM2005
    GACGUAAACGGCCACAAGUTCU
    ACUUGUGGCCGUUUACGUCGCU
    Locked nucleic acid
    Unlocked nucleic acid
    3,9,15,20,21
    21
    Sugar
    Sugar
    76.3 percent target mRNA inhibition
    19282453
    SM2006
    GACGUAAACGGCCACAAGTTC
    ACUUGUGGCCGUUUACGUCGCU
    4-C-Hydroxymethyl Deoxyribonucleic acid
    Unlocked nucleic acid
    19,20
    21
    Sugar
    Sugar
    74.5 percent target mRNA inhibition
    19282453
    SM2007
    GACGTAAACGGCCACAAGTTC
    ACUUGUGGCCGUUUACGUCGCU
    4-C-Hydroxymethyl Deoxyribonucleic acid
    Unlocked nucleic acid
    5,19,20
    21
    Sugar
    Sugar
    82.7 percent target mRNA inhibition
    19282453