title: Primary structure of alpha-bungarotoxin. Six amino acid residues differ from the previously reported sequence.
abstract: alpha-Bungarotoxin (alpha-BuTx) was isolated from the venom of the Formosan banded krait (Bungarus multicinctus). The amino acid sequence was determined by a combination of conventional methods. In contrast to the sequence of alpha-BuTx reported by Mebs et al. ([1971) Biochem. Biophys. Res. Commun. 44, 711-716], our results revealed the presence of Ser-Pro-Ile, Pro-His and Gln-Arg at positions 9-11, 67-68 and 71-72 from the amino-terminal, respectively, and not Ile-Pro-Ser, His-Pro and Arg-Gln as reported previously.
mesh_terms: D000595:Amino Acid Sequence; D002038:Bungarotoxins / Q000302:isolation & purification; D010446:Peptide Fragments / Q000032:analysis
chemical_list: D002038:Bungarotoxins; D010446:Peptide Fragments