PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6406023-1 1983 Toxin was extracted from spores of the mosquito pathogen Bacillus sphaericus strain 1593 using 0.05 M NaOH. Sodium Hydroxide 102-106 pBt054 Bacillus thuringiensis serovar israelensis 0-5