A FOXP3 inhibitor
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Peptide P60

Item No. 45998

Technical Information
Formal Name
L-arginyl-L-α-aspartyl-L-phenylalanyl-L-glutaminyl-L-seryl-L-phenylalanyl-L-arginyl-L-lysyl-L-methionyl-L-tryptophyl-L-prolyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-methionine
CAS Number
1319725-20-6
Molecular Formula
C95H132N24O20S2
Formula Weight
Purity
≥95%
A solid
Peptide Sequence
RDFQSFRKMWPFFAM-OH
SMILES
O=C(N(CCC1)[C@@H]1C(N[C@H](C(N[C@H](C(N[C@@H](C)C(N[C@H](C(O)=O)CCSC)=O)=O)CC2=CC=CC=C2)=O)CC3=CC=CC=C3)=O)[C@@H](NC([C@H](CCSC)NC([C@H](CCCCN)NC([C@H](CCCNC(N)=N)NC([C@@H](NC([C@H](CO)NC([C@H](CCC(N)=O)NC([C@@H](NC([C@H](CC(O)=O)NC([C@@H](N)CCCNC(N)=N)=O)=O)CC4=CC=CC=C4)=O)=O)=O)CC5=CC=CC=C5)=O)=O)=O)=O)CC6=CNC7=CC=CC=C67
InChi Code
InChI=1S/C95H132N24O20S2/c1-55(79(124)111-68(93(138)139)40-46-141-3)106-85(130)69(47-56-23-8-4-9-24-56)113-88(133)72(50-59-29-14-7-15-30-59)116-91(136)76-36-22-44-119(76)92(137)74(51-60-53-105-63-33-17-16-31-61(60)63)117-84(129)67(39-45-140-2)110-81(126)64(34-18-19-41-96)107-82(127)65(35-21-43-104-95(101)102)108-86(131)71(49-58-27-12-6-13-28-58)115-90(135)75(54-120)118-83(128)66(37-38-77(98)121)109-87(132)70(48-57-25-10-5-11-26-57)114-89(134)73(52-78(122)123)112-80(125)62(97)32-20-42-103-94(99)100/h4-17,23-31,33,53,55,62,64-76,105,120H,18-22,32,34-52,54,96-97H2,1-3H3,(H2,98,121)(H,106,130)(H,107,127)(H,108,131)(H,109,132)(H,110,126)(H,111,124)(H,112,125)(H,113,133)(H,114,134)(H,115,135)(H,116,136)(H,117,129)(H,118,128)(H,122,123)(H,138,139)(H4,99,100,103)(H4,101,102,104)/t55-,62-,64-,65-,66-,67-,68-,69-,70-,71-,72-,73-,74-,75-,76-/m0/s1
InChi Key
CYTCHHWJGBKDPS-UZFQJSGKSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    Peptide P60 is an inhibitor of forkhead box protein P3 (FOXP3).1 It binds to recombinant human FOXP3 at 5 µM and inhibits the nuclear translocation of FOXP3-GFP in HEK293 cells at 10 µM. Peptide P60 reverses FOXP3-induced inhibition of basal NF-κB activity in HEK293T cells and PMA- and ionomycin-induced NFAT activity in Jurkat cells in reporter assays. It increases effector T cell proliferation in a mixed lymphocyte reaction at 100 µM. Peptide P60 (50 nmol/animal, i.p.) improves the immunogenicity and antitumor activity of an AH1 peptide vaccine in a CT26 murine colorectal cancer model, and it increases the efficacy of an RAdNS3 vaccine in a mouse model of hepatitis C virus (HCV) infection at the same dose.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Casares, N., Rudilla, F., Arribillaga, L., et al. A peptide inhibitor of FOXP3 impairs regulatory T cell activity and improves vaccine efficacy in mice. J. Immunol. 185(9), 5150-5159 (2010).