GrTx1

[O=C(N[C@@H](CSSC[C@@H](C(N[C@@H](CCC(O)=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CCSC)C(N[C@H]1C(C)C)=O)=O)=O)=O)NC2=O)C(N[C@@H](CCC(N)=O)C(N[C@@H](CCCCN)C(N[C@@H](CC3=CNC4=CC=CC=C34)C(N[C@@H](CCSC)C(N[C@@H](CC5=CNC6=CC=CC=C56)C(N[C@@H]([C@H](O)C)C(N[C@@H](CSSC[C@@H](C(N[C@@H](CCC(N)=O)C(N[C@@H](CC(C)C)C(N[C@H]7CC8=CNC9=CC=CC=C89)=O)=O)=O)NC1=O)C(N[C@@H](CC(O)=O)C(N[C@@H](CO)C(N[C@@H](CCCCN)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CCCCN)C(N[C@H]2CSSC[C@@H](C(N[C@@H](CCCCN)C(N[C@@H](CCCCN)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CC(C)C)C(O)=O)=O)=O)=O)=O)NC7=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)[C@H](CC%10=CC=C(C=C%10)O)N]

[1]Clement H, et.al. Isolation and characterization of a novel toxin from the venom of the spider Grammostola rosea that blocks sodium channels. Toxicon. 2007 Jul;50 (1) :65-74. |[2]Redaelli E, et.al. Target promiscuity and heterogeneous effects of tarantula venom peptides affecting Na+ and K+ ion channels. J Biol Chem. 2010 Feb 5;285 (6) :4130-4142.