SM4444 Chemically modified siRNA information

Field Sense Antisense
siRNA chemical modification [3-(hydroxymethyl)-5-naphthalen-1-ylphenyl]methanol* [3-(hydroxymethyl)phenyl]methanol [3-(hydroxymethyl)-5-naphthalen-1-ylphenyl]methanol* 1,3-Benzenedimethanol
siRNA modification types 2 2
Overall number of modifications 3 2
Position of modifications 1 * 21,22 20 * 21
Modification on sugar or base or phosphate Base Base
SMILES
(Click to view structure & nomenclature)
OCC1=CC(=CC(CO)=C1)C1=CC=CC2=CC=CC=C12
OCC1=CC(CO)=CC=C1


OCC1=CC(=CC(CO)=C1)C1=CC=CC2=CC=CC=C12
OCC1=CC(CO)=CC=C1


siRNA Sequence UAAGAUGUUCAUCGAGUCCTT GGACUCGAUGAACAUCUUATT
siRNA length base-pair 21 21
siRNA name in paper siRNA35 siRNA35
Biological activity 58 percent target mRNA inhibition
Experiment used to check activity Dual luciferase reporter assay
Melting temperature (oC) NA
Target gene Renilla luciferase
siRNA concentration 1 nM
Cell or Organism used HeLa cells
Transfection method Lipofectamine RNAiMAX (Invitrogen) and Opti-MEM (GIBCO-BRL)
Duration after transfection 24 Hours
Article title Incorporation of biaryl units into the 5' and 3' ends of sense and antisense strands of siRNA duplexes improves strand selectivity and nuclease resistance
Reference21141919