SM4807 Chemically modified siRNA information

Field Sense Antisense
siRNA chemical modification 2-Fluororibose* 3-O-methylribose* Phosphorothioate 2-Fluororibose* 3-O-methylribose* Phosphorothioate
siRNA modification types 3 3
Overall number of modifications 12 12
Position of modifications 4,5,7,8,9,10,15,16,17,19 * 14 * 20 4,5,7,8,9,10,15,16,17,19 * 14 * 20
Modification on sugar or base or phosphate Sugar Sugar
SMILES
(Click to view structure & nomenclature)
OCC1OCC(F)C1O
COC1C(O)COC1CO
OCC1OCC(O)C1OP(O)(S)=O

OCC1OCC(F)C1O
COC1C(O)COC1CO
OCC1OCC(O)C1OP(O)(S)=O

siRNA Sequence GGAUCAUCUCAAGUCUUACTT GUAAGACUUGAGAUGAUCCTT
siRNA length base-pair 21 21
siRNA name in paper V V
Biological activity IC-50 = 0.0083 nM for target mRNA
Experiment used to check activity 4 parameter fit model
Melting temperature (oC) 75.5
Target gene Target gene
siRNA concentration 10 nM
Cell or Organism used Hep3B cells or rat H.II.4.E cells
Transfection method Lipofectamine RNAiMax
Duration after transfection 24 Hoursrs
Article title Modified rnai agents
ReferenceWO2014022739A3