PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33571808-3 2021 Herein, we developed Trx1-cpYFP-fRMsr (TYfR), a genetically-encoded fluorescent biosensor with the remarkable specificity and sensitivity toward fMetRO (free Methionine-R-sulfoxide), allowing for dynamic quantification of physiological levels of fMetRO, a novel indicator of ROS and methionine redox status in vitro and in vivo. r-sulfoxide 169-180 thioredoxin Homo sapiens 21-25