PMC:7291971 / 1578-1591 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T27","span":{"begin":0,"end":13},"obj":"SO:0000409"},{"id":"T73912","span":{"begin":0,"end":13},"obj":"SO:0000409"}],"text":"binding sites"}