PMC:7652766 / 13326-13578 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T75","span":{"begin":77,"end":229},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ng able to activate receptors in host cells and induce the invasion process. This protein is cleaved by proteases into the S1 and S2 subunits, which are responsible for receptor recognition and membrane fusion, respectively (39). Several articles have "}

{"project":"LitCovid-PubTator","denotations":[{"id":"555","span":{"begin":8,"end":10},"obj":"Gene"}],"attributes":[{"id":"A555","pred":"tao:has_database_id","subj":"555","obj":"Gene:6999"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"ng able to activate receptors in host cells and induce the invasion process. This protein is cleaved by proteases into the S1 and S2 subunits, which are responsible for receptor recognition and membrane fusion, respectively (39). Several articles have "}