(RFR)4XB

Description: (RFR)4XB is a cationic membrane-penetrating peptide that transports its cargo (antisense oligomers) across the outer membrane of Gram-negative bacteria. Smiles: [C@H](CC1=CC=CC=C1)(C(N[C@H](C(N[C@H](C(N[C@@H](CC2=CC=CC=C2)C(N[C@H](C(NCCCCCC(NCCC(O)=O)=O)=O)CCCNC(=N)N)=O)=O)CCCNC(=N)N)=O)CCCNC(=N)N)=O)NC([C@@H](NC([C@@H](NC([C@H](CC3=CC=CC=C3)NC([C@@H](NC([C@@H](NC([C@H](CC4=CC=CC=C4)NC([C@H](CCCNC(=N)N)N)=O)=O)CCCNC(=N)N)=O)CCCNC(=N)N)=O)=O)CCCNC(=N)N)=O)CCCNC(=N)N)=O