| Field | Sense | Antisense |
| siRNA chemical modification | 2-Guanidinoethyl | 2-O-Methyl* 2-Cyanoethyl |
| siRNA modification types | 1 | 2 |
| Overall number of modifications | 1 | 2 |
| Position of modifications | 18 | 1 * 18 |
| Modification on sugar or base or phosphate | Sugar | Sugar |
| SMILES (Click to view structure & nomenclature) |
NC(N)=NCCC1COC(CO)C1O |
COC1C(O)OC(CO)C1O OCC1OCC(OCC#N)C1O |
| siRNA Sequence | GACGUAAACGGCCACAAGUUC | ACUUGUGGCCGUUUACGUCGCU |
| siRNA length base-pair | 21 | 22 |
| siRNA name in paper | DO004 | DO1002 |
| Biological activity | 55 percent target mRNA inhibition | |
| Experiment used to check activity | Luciferase reporter assay | |
| Melting temperature (oC) | NA | |
| Target gene | EGFP gene | |
| siRNA concentration | 10 nM | |
| Cell or Organism used | HeLa cells | |
| Transfection method | Interfer (Polypus -Transfection) | |
| Duration after transfection | 72 Hours | |
| Article title | A large-scale chemical modification screen identifies design rules to generate siRNAs with high activity, high stability and low toxicity |
|
| Reference | 19282453 | |