SM2453 Chemically modified siRNA information

Field Sense Antisense
siRNA chemical modification N6-ethyl-N6 2-Deoxyadenosine N6-Ethyl-N6 2-Deoxyadenosine
siRNA modification types 1 1
Overall number of modifications 1 1
Position of modifications 20 20
Modification on sugar or base or phosphate Base Base
SMILES
(Click to view structure & nomenclature)
OCC1OC(CC1O)N1C=NC2=C(NCCNC3=C4N=CN(C5CC(O)C(CO)O5)C4=NC=N3)N=CN=C12



OCC1OC(CC1O)N1C=NC2=C(NCCNC3=C4N=CN(C5CC(O)C(CO)O5)C4=NC=N3)N=CN=C12



siRNA Sequence AUCUGAAGAAGGAGAAAAAA UUUUUCUCCUUCUUCAGAUA
siRNA length base-pair 20 20
siRNA name in paper VIII VIII
Biological activity IC-50 = 0.027 nM for target mRNA
Experiment used to check activity PAGE non-denaturating
Melting temperature (oC) 61.8
Target gene Luciferase gene
siRNA concentration 0.028 nM
Cell or Organism used SH-SY5Y and MCF-7 cells
Transfection method Lipofectamine 2000
Duration after transfection 24 Hours
Article title Functionalization of the 3'-ends of DNA and RNA strands with N-ethyl-N-coupled nucleosides: a promising approach to avoid 3'-exonuclease-catalyzed hydrolysis of therapeutic oligonucleotides
Reference23362010