SM4227 Chemically modified siRNA information

Field Sense Antisense
siRNA chemical modification L-isonucleoside adenosine* 2-Deoxythymidine 2-Deoxythymidine
siRNA modification types 2 1
Overall number of modifications 3 2
Position of modifications 19 * 20,21 20,21
Modification on sugar or base or phosphate Sugar ; Sugar Sugar
SMILES
(Click to view structure & nomenclature)
NC1=C2N=CN(C3COC(CO)C3OP(O)([O-])=O)C2=NC=N1
CC1=CN(C2CC(O)C(CO)O2)C(=O)NC1=O


OCC1OCCC1O



siRNA Sequence UCGGGAAAUUUCUCUAUUATT UAAUAGAGAAAUUUCCCGATT
siRNA length base-pair 21 21
siRNA name in paper AII B
Biological activity 36 percent target mRNA inhibition
Experiment used to check activity Dual luciferase assay
Melting temperature (oC) NA
Target gene Cdc-gene strand A
siRNA concentration 13 nM
Cell or Organism used HEK293 cells
Transfection method Lipofectamine 2000
Duration after transfection 24 Hours
Article title Synthesis and properties of novel L-isonucleoside modified oligonucleotides and siRNAs
Reference22895883