EMAIL INQUIRY to 1 FROM MEXICAN SCORPION CENTRUROIDES NOXIUS: [CYS5-CYS23, CYS11-CYS34, CYS20-CYS24, CYS23-CYS41] H-ASP-ARG-ASP-SER-CYS-VAL-ASP-LYS-SER-ARG-CYS-ALA-LYS-TYR-GLY-TYR-TYR-GLN-GLU-CYS-GLN-ASP-CYS-CYS-LYS-ASN-ALA-GLY-HIS-ASN-GLY-GLY-THR-CYS-MET-PHE-PHE-LYS-CYS-LY suppliers