Protein: Toxin B (long neurotoxin) from King cobra (Ophiophagus hannah)

Lineage:

1. Root: scop
2. Class: Small proteins
   Usually dominated by metal ligand, heme, and/or disulfide bridges
3. Fold: Snake toxin-like
   disulphide-rich fold: nearly all-beta
4. Superfamily: Snake toxin-like
5. Family: Snake venom toxins
6. Protein: Toxin B (long neurotoxin)
7. Species: King cobra (Ophiophagus hannah)

PDB Entry Domains:

1. 1txb
2. 1txa