PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34289225-5 2021 A pH indicator, bromothymol blue, which changes color from yellow to blue in alkaline conditions, was used to directly detect, with the naked eye, clones expressing active transketolase variants, obviating enzyme extraction. Bromthymol Blue 16-32 transketolase Homo sapiens 172-185