δ-Theraphotoxin-Hm1b

δ-Theraphotoxin-Hm1b is a 42-amino acid peptide isolated from Togo starburst tarantula (Heteroscodra maculata) venom. δ-Theraphotoxin-Hm1b selectively inhibits inactivation of NaV1.1 but have no effect on NaV1.7[1].

C169H241N45O50S6

3895.38

O=C(N[C@@H](CSSC[C@@H](C(N[C@@H](CCCCN)C(N[C@@H](CC1=CNC=N1)C(N[C@@H](CC(C)C)C(NC2)=O)=O)=O)=O)NC3=O)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CC4=CC=C(C=C4)O)C(N[C@@H](CC(C)C)C(N[C@@H](CC5=CC=CC=C5)C(NCC(NCC(N[C@@H](CSSC[C@@H](C(N[C@@H](CCCNC(N)=N)C(N[C@@H]([C@H](O)C)C(N[C@@H](CC(O)=O)C(N[C@@H](CC(C)C)C(N[C@@H](CC6=CC=C(C=C6)O)C(N[C@H]7CC8=CC=C(C=C8)O)=O)=O)=O)=O)=O)=O)NC2=O)C(N[C@@H](CCCCN)C(N[C@@H]([C@H](O)C)C(N[C@@H]([C@H](O)C)C(N[C@@H](C)C(N[C@@H](CC(O)=O)C(N[C@H]3CSSC[C@@H](C(N[C@@H](C)C(N[C@@H](CC9=CNC%10=CC=CC=C9%10)C(N[C@@H](CC(O)=O)C(NCC(N[C@@H]([C@H](O)C)C(N[C@@H](CC%11=CC=CC=C%11)C(O)=O)=O)=O)=O)=O)=O)=O)NC7=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)[C@H](CCC(O)=O)N

Sodium Channel

10 mM in DMSO

Room temperature