SM2259 Chemically modified siRNA information

Field Sense Antisense
siRNA chemical modification 2-O-Methyl* Phosphorothioate Phosphorothioate* 2-O-Methyl
siRNA modification types 2 2
Overall number of modifications 14 17
Position of modifications 8,9,12,14,15,16,17,18 * 2,3,4,5,6,7 2,3,4,5,6,7,8,9,10,11,12,13 *14,15,17,18,19
Modification on sugar or base or phosphate Sugar; Phosphate Phosphate; Sugar
SMILES
(Click to view structure & nomenclature)
COC1C(O)OC(CO)C1O
OCC1OCC(O)C1OP(O)(S)=O


OCC1OCC(O)C1OP(O)(S)=O
COC1C(O)OC(CO)C1O


siRNA Sequence AAGGAGAUCAACAUUUUCATT UGAAAAUGUUGAUCUCCUUTT
siRNA length base-pair 21 21
siRNA name in paper Sur10058-Me-Py3 Sur10058-Me-Py3
Biological activity 77 percent target mRNA inhibition
Experiment used to check activity Real-time PCR
Melting temperature (oC) NA
Target gene Survivin gene
siRNA concentration 2 nM
Cell or Organism used HeLa cells
Transfection method Lipofectamine 2000
Duration after transfection 24 Hours
Article title Chemical modification of siRNAs to improve serum stability without loss of efficacy
Reference16598842