has role has_role has role gene as virulence factor in pathogen gene encoding antigen has role has_role has role Clostridium botulinum B1 str. Okra protein-coding gene of Clostridium botulinum B1 str. Okra boNT/B 20130705 498213 6030102 Bin Zhao, Oliver He CLD_A0068 NCBI-supplied PMID: 18060065; 18571196; 22146011 WEB: http://www.ncbi.nlm.nih.gov/gene botulinum neurotoxin type B protein-coding 2564 MUTATION: BoNT/B toxoid without non-toxic components, which are generally associated with the toxin was used attenuated and used as a vaccine candidate [PMID:15225558] virulence factor gene role BoNT/B