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PEP1 acetate is a p21-mimetic peptide that serves as a specific proliferating cell nuclear antigen (PCNA) binding inhibitor. It arrests the cell cycle in the S phase by competitively blocking the interaction between PCNA and DNA polymerase delta, thereby interfering with DNA replication.


| Description | PEP1 acetate is a p21-mimetic peptide that serves as a specific proliferating cell nuclear antigen (PCNA) binding inhibitor. It arrests the cell cycle in the S phase by competitively blocking the interaction between PCNA and DNA polymerase delta, thereby interfering with DNA replication. |
| Molecular Weight | 3009.49 |
| Formula | C142H206N36O35S |
| Smiles | O=C(N1[C@@H](CCC1)C(N[C@@H](CCCCN)C(N[C@@H](CCCCN)C(N[C@@H](CCCCN)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CCCCN)C(N[C@@H](C(C)C)C(NCCS)=O)=O)=O)=O)=O)=O)=O)[C@H](CCC(N)=O)NC([C@H](CO)NC([C@H](CC2=CNC3=CC=CC=C23)NC([C@H](CCC(O)=O)NC([C@H]([C@H](O)C)NC([C@H](CC4=CNC5=CC=CC=C45)NC([C@@H](NC([C@H]([C@H](O)C)NC([C@H](CCC(O)=O)NC([C@@H](NC([C@@H](NC([C@H]([C@H](O)C)NC([C@H](CCC(O)=O)NC([C@@H](NC(C)=O)CCCCN)=O)=O)=O)CC6=CNC7=CC=CC=C67)=O)CC8=CNC9=CC=CC=C89)=O)=O)=O)CC%10=CNC%11=CC=CC=C%10%11)=O)=O)=O)=O)=O)=O.CC(O)=O |
| Relative Density. | no data available |
| Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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